CVE-2026-21385Known exploitation

Memory corruption via sign-extended alignment

Published Mar 2, 2026 · Updated Mar 2, 2026

Integer overflow in Qualcomm Snapdragon Graphics allows local users with low privileges to corrupt memory through a crafted alignment value. The KGSL kernel driver accepts a userland alignment and performs a signed bit shift that can sign-extend the value before memory-management routines use it. Local code execution with low privileges is required; Qualcomm has not publicly described the post-corruption outcome.

CVSS severity7.8
High
EPSS probability1.29%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Integer overflow in Qualcomm Snapdragon Graphics allows local users with low privileges to corrupt memory through a crafted alignment value. The KGSL kernel driver accepts a userland alignment and performs a signed bit shift that can sign-extend the value before memory-management routines use it. Local code execution with low privileges is required; Qualcomm has not publicly described the post-corruption outcome.

The record

CVE
CVE-2026-21385
Published
Mar 2, 2026
Updated
Mar 2, 2026
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-190, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 2, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 2, 2026Record updatedLatest update available in the CVE record.
  3. Mar 3, 2026Exploitation reportedCISA Known Exploited Vulnerabilities listing

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5G Fixed Wireless Access Platform
  2. Affected versionversion=APQ8098
  3. Affected versionversion=AR8031
  4. Affected versionversion=AR8035
  5. Affected versionversion=CSRA6620
  6. Affected versionversion=CSRA6640
  7. Affected versionversion=C-V2X 9150
  8. Affected versionversion=FastConnect 6200
  9. Affected versionversion=FastConnect 6700
  10. Affected versionversion=FastConnect 6800
  11. Affected versionversion=FastConnect 6900
  12. Affected versionversion=FastConnect 7800
  13. Affected versionversion=Flight RB5 5G Platform
  14. Affected versionversion=FSM100 Platform
  15. Affected versionversion=G1 Gen 1
  16. Affected versionversion=G2 Gen 1
  17. Affected versionversion=IQ6 Series Platform
  18. Affected versionversion=IQ8 Series Platform
  19. Affected versionversion=IQ9 Series Platform
  20. Affected versionversion=LeMansAU
  21. Affected versionversion=LeMans_AU_LGIT
  22. Affected versionversion=MDM9250
  23. Affected versionversion=MDM9628
  24. Affected versionversion=Milos
  25. Affected versionversion=Monaco_IOT
  26. Affected versionversion=Netrani
  27. Affected versionversion=Orne
  28. Affected versionversion=Palawan25
  29. Affected versionversion=Pandeiro
  30. Affected versionversion=QAM8255P
  31. Affected versionversion=QAM8295P
  32. Affected versionversion=QAMSRV1H
  33. Affected versionversion=QAMSRV1M
  34. Affected versionversion=QCA2066
  35. Affected versionversion=QCA6174A
  36. Affected versionversion=QCA6391
  37. Affected versionversion=QCA6564A
  38. Affected versionversion=QCA6564AU
  39. Affected versionversion=QCA6574
  40. Affected versionversion=QCA6574A
  41. Affected versionversion=QCA6574AU
  42. Affected versionversion=QCA6584AU
  43. Affected versionversion=QCA6595
  44. Affected versionversion=QCA6595AU
  45. Affected versionversion=QCA6678AQ
  46. Affected versionversion=QCA6688AQ
  47. Affected versionversion=QCA6696
  48. Affected versionversion=QCA6698AQ
  49. Affected versionversion=QCA6698AU
  50. Affected versionversion=QCA6797AQ
  51. Affected versionversion=QCA8081
  52. Affected versionversion=QCA8337
  53. Affected versionversion=QCA8695AU
  54. Affected versionversion=QCA9367
  55. Affected versionversion=QCA9377
  56. Affected versionversion=QCM2290
  57. Affected versionversion=QCM4325
  58. Affected versionversion=QCM4490
  59. Affected versionversion=QCM5430
  60. Affected versionversion=QCM6125
  61. Affected versionversion=QCM6490
  62. Affected versionversion=QCN6024
  63. Affected versionversion=QCN9011
  64. Affected versionversion=QCN9012
  65. Affected versionversion=QCN9024
  66. Affected versionversion=QCS2290
  67. Affected versionversion=QCS4290
  68. Affected versionversion=QCS4490
  69. Affected versionversion=QCS8550
  70. Affected versionversion=QLN1083BD
  71. Affected versionversion=QLN1086BD
  72. Affected versionversion=QMP1000
  73. Affected versionversion=QPA1083BD
  74. Affected versionversion=QPA1086BD
  75. Affected versionversion=QRB5165M
  76. Affected versionversion=QRB5165N
  77. Affected versionversion=Qualcomm 215 Mobile Platform
  78. Affected versionversion=Qualcomm Video Collaboration VC1 Platform
  79. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  80. Affected versionversion=Qualcomm Video Collaboration VC5 Platform
  81. Affected versionversion=QXM1083
  82. Affected versionversion=QXM1086
  83. Affected versionversion=QXM1093
  84. Affected versionversion=QXM1094
  85. Affected versionversion=QXM1095
  86. Affected versionversion=QXM1096
  87. Affected versionversion=Robotics RB2 Platform
  88. Affected versionversion=Robotics RB5 Platform
  89. Affected versionversion=SA4150P
  90. Affected versionversion=SA4155P
  91. Affected versionversion=SA6145P
  92. Affected versionversion=SA6150P
  93. Affected versionversion=SA6155
  94. Affected versionversion=SA6155P
  95. Affected versionversion=SA7255P
  96. Affected versionversion=SA7775P
  97. Affected versionversion=SA8145P
  98. Affected versionversion=SA8150P
  99. Affected versionversion=SA8155
  100. Affected versionversion=SA8155P
  101. Affected versionversion=SA8195P
  102. Affected versionversion=SA8255P
  103. Affected versionversion=SA8295P
  104. Affected versionversion=SA8620P
  105. Affected versionversion=SA8770P
  106. Affected versionversion=SA9000P
  107. Affected versionversion=SAR1165P
  108. Affected versionversion=SAR1250P
  109. Affected versionversion=SAR2130P
  110. Affected versionversion=SAR2230P
  111. Affected versionversion=SC8380XP
  112. Affected versionversion=SD626
  113. Affected versionversion=SD662
  114. Affected versionversion=SD865 5G
  115. Affected versionversion=SD 8 Gen1 5G
  116. Affected versionversion=SDA660
  117. Affected versionversion=SDM429W
  118. Affected versionversion=SDX61
  119. Affected versionversion=SM6225P
  120. Affected versionversion=SM6650P
  121. Affected versionversion=SM7325P
  122. Affected versionversion=SM7435
  123. Affected versionversion=SM7550
  124. Affected versionversion=SM7550P
  125. Affected versionversion=SM7635P
  126. Affected versionversion=SM7675
  127. Affected versionversion=SM7675P
  128. Affected versionversion=SM8475P
  129. Affected versionversion=SM8550P
  130. Affected versionversion=SM8635
  131. Affected versionversion=SM8635P
  132. Affected versionversion=SM8650Q
  133. Affected versionversion=SM8750P
  134. Affected versionversion=Smart Audio 400 Platform
  135. Affected versionversion=Smart Display 200 Platform
  136. Affected versionversion=Snapdragon 429 Mobile Platform
  137. Affected versionversion=Snapdragon 460 Mobile Platform
  138. Affected versionversion=Snapdragon 480 5G Mobile Platform
  139. Affected versionversion=Snapdragon 480+ 5G Mobile Platform
  140. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  141. Affected versionversion=Snapdragon 4 Gen 2 Mobile Platform
  142. Affected versionversion=Snapdragon 625 Mobile Platform
  143. Affected versionversion=Snapdragon 626 Mobile Platform
  144. Affected versionversion=Snapdragon 660 Mobile Platform
  145. Affected versionversion=Snapdragon 662 Mobile Platform
  146. Affected versionversion=Snapdragon 680 4G Mobile Platform
  147. Affected versionversion=Snapdragon 685 4G Mobile Platform
  148. Affected versionversion=Snapdragon 690 5G Mobile Platform
  149. Affected versionversion=Snapdragon 695 5G Mobile Platform
  150. Affected versionversion=Snapdragon 6 Gen 1 Mobile Platform
  151. Affected versionversion=Snapdragon 6 Gen 3 Mobile Platform
  152. Affected versionversion=Snapdragon 6 Gen 4 Mobile Platform
  153. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  154. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform
  155. Affected versionversion=Snapdragon 782G Mobile Platform
  156. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  157. Affected versionversion=Snapdragon 7 Gen 1 Mobile Platform
  158. Affected versionversion=Snapdragon 7+ Gen 2 Mobile Platform
  159. Affected versionversion=Snapdragon 7s Gen 3 Mobile Platform
  160. Affected versionversion=Snapdragon 820Am
  161. Affected versionversion=Snapdragon 820 Automotive Platform
  162. Affected versionversion=Snapdragon 865 5G Mobile Platform
  163. Affected versionversion=Snapdragon 865+ 5G Mobile Platform
  164. Affected versionversion=Snapdragon 870 5G Mobile Platform
  165. Affected versionversion=Snapdragon 888 5G Mobile Platform
  166. Affected versionversion=Snapdragon 888+ 5G Mobile Platform
  167. Affected versionversion=Snapdragon 8 Elite
  168. Affected versionversion=Snapdragon 8 Elite Gen 5
  169. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  170. Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
  171. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  172. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  173. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  174. Affected versionversion=Snapdragon AR1 Gen 1 Platform
  175. Affected versionversion=Snapdragon AR1+ Gen 1 Platform
  176. Affected versionversion=Snapdragon Auto 5G Modem-RF
  177. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  178. Affected versionversion=Snapdragon X12 LTE Modem
  179. Affected versionversion=Snapdragon X53 5G Modem-RF System
  180. Affected versionversion=Snapdragon X55 5G Modem-RF System
  181. Affected versionversion=Snapdragon X5 LTE Modem
  182. Affected versionversion=Snapdragon X65 5G Modem-RF System
  183. Affected versionversion=Snapdragon XR2 5G Platform
  184. Affected versionversion=Snapdragon XR2+ Gen 1 Platform
  185. Affected versionversion=SRV1H
  186. Affected versionversion=SRV1M
  187. Affected versionversion=SW5100
  188. Affected versionversion=SW5100P
  189. Affected versionversion=SW6100
  190. Affected versionversion=SW6100P
  191. Affected versionversion=SXR2230P
  192. Affected versionversion=SXR2250P
  193. Affected versionversion=SXR2330P
  194. Affected versionversion=SXR2350P
  195. Affected versionversion=Themisto
  196. Affected versionversion=Vision Intelligence 100 Platform
  197. Affected versionversion=Vision Intelligence 200 Platform
  198. Affected versionversion=Vision Intelligence 400 Platform
  199. Affected versionversion=WCD9326
  200. Affected versionversion=WCD9330
  201. Affected versionversion=WCD9335
  202. Affected versionversion=WCD9341
  203. Affected versionversion=WCD9360
  204. Affected versionversion=WCD9370
  205. Affected versionversion=WCD9371
  206. Affected versionversion=WCD9375
  207. Affected versionversion=WCD9378
  208. Affected versionversion=WCD9380
  209. Affected versionversion=WCD9385
  210. Affected versionversion=WCD9390
  211. Affected versionversion=WCD9395
  212. Affected versionversion=WCN3615
  213. Affected versionversion=WCN3620
  214. Affected versionversion=WCN3660B
  215. Affected versionversion=WCN3680B
  216. Affected versionversion=WCN3910
  217. Affected versionversion=WCN3950
  218. Affected versionversion=WCN3980
  219. Affected versionversion=WCN3988
  220. Affected versionversion=WCN3990
  221. Affected versionversion=WCN6450
  222. Affected versionversion=WCN6650
  223. Affected versionversion=WCN6755
  224. Affected versionversion=WCN7860
  225. Affected versionversion=WCN7861
  226. Affected versionversion=WCN7880
  227. Affected versionversion=WCN7881
  228. Affected versionversion=WSA8810
  229. Affected versionversion=WSA8815
  230. Affected versionversion=WSA8830
  231. Affected versionversion=WSA8832
  232. Affected versionversion=WSA8835
  233. Affected versionversion=WSA8840
  234. Affected versionversion=WSA8845
  235. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qualcomm · Snapdragonversion=5G Fixed Wireless Access Platform; version=APQ8098; version=AR8031; version=AR8035; version=CSRA6620; version=CSRA6640; version=C-V2X 9150; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=Flight RB5 5G Platform; version=FSM100 Platform; version=G1 Gen 1; version=G2 Gen 1; version=IQ6 Series Platform; version=IQ8 Series Platform; version=IQ9 Series Platform; version=LeMansAU; version=LeMans_AU_LGIT; version=MDM9250; version=MDM9628; version=Milos; version=Monaco_IOT; version=Netrani; version=Orne; version=Palawan25; version=Pandeiro; version=QAM8255P; version=QAM8295P; version=QAMSRV1H; version=QAMSRV1M; version=QCA2066; version=QCA6174A; version=QCA6391; version=QCA6564A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6678AQ; version=QCA6688AQ; version=QCA6696; version=QCA6698AQ; version=QCA6698AU; version=QCA6797AQ; version=QCA8081; version=QCA8337; version=QCA8695AU; version=QCA9367; version=QCA9377; version=QCM2290; version=QCM4325; version=QCM4490; version=QCM5430; version=QCM6125; version=QCM6490; version=QCN6024; version=QCN9011; version=QCN9012; version=QCN9024; version=QCS2290; version=QCS4290; version=QCS4490; version=QCS8550; version=QLN1083BD; version=QLN1086BD; version=QMP1000; version=QPA1083BD; version=QPA1086BD; version=QRB5165M; version=QRB5165N; version=Qualcomm 215 Mobile Platform; version=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=Qualcomm Video Collaboration VC5 Platform; version=QXM1083; version=QXM1086; version=QXM1093; version=QXM1094; version=QXM1095; version=QXM1096; version=Robotics RB2 Platform; version=Robotics RB5 Platform; version=SA4150P; version=SA4155P; version=SA6145P; version=SA6150P; version=SA6155; version=SA6155P; version=SA7255P; version=SA7775P; version=SA8145P; version=SA8150P; version=SA8155; version=SA8155P; version=SA8195P; version=SA8255P; version=SA8295P; version=SA8620P; version=SA8770P; version=SA9000P; version=SAR1165P; version=SAR1250P; version=SAR2130P; version=SAR2230P; version=SC8380XP; version=SD626; version=SD662; version=SD865 5G; version=SD 8 Gen1 5G; version=SDA660; version=SDM429W; version=SDX61; version=SM6225P; version=SM6650P; version=SM7325P; version=SM7435; version=SM7550; version=SM7550P; version=SM7635P; version=SM7675; version=SM7675P; version=SM8475P; version=SM8550P; version=SM8635; version=SM8635P; version=SM8650Q; version=SM8750P; version=Smart Audio 400 Platform; version=Smart Display 200 Platform; version=Snapdragon 429 Mobile Platform; version=Snapdragon 460 Mobile Platform; version=Snapdragon 480 5G Mobile Platform; version=Snapdragon 480+ 5G Mobile Platform; version=Snapdragon 4 Gen 1 Mobile Platform; version=Snapdragon 4 Gen 2 Mobile Platform; version=Snapdragon 625 Mobile Platform; version=Snapdragon 626 Mobile Platform; version=Snapdragon 660 Mobile Platform; version=Snapdragon 662 Mobile Platform; version=Snapdragon 680 4G Mobile Platform; version=Snapdragon 685 4G Mobile Platform; version=Snapdragon 690 5G Mobile Platform; version=Snapdragon 695 5G Mobile Platform; version=Snapdragon 6 Gen 1 Mobile Platform; version=Snapdragon 6 Gen 3 Mobile Platform; version=Snapdragon 6 Gen 4 Mobile Platform; version=Snapdragon 778G 5G Mobile Platform; version=Snapdragon 778G+ 5G Mobile Platform; version=Snapdragon 782G Mobile Platform; version=Snapdragon 7c+ Gen 3 Compute; version=Snapdragon 7 Gen 1 Mobile Platform; version=Snapdragon 7+ Gen 2 Mobile Platform; version=Snapdragon 7s Gen 3 Mobile Platform; version=Snapdragon 820Am; version=Snapdragon 820 Automotive Platform; version=Snapdragon 865 5G Mobile Platform; version=Snapdragon 865+ 5G Mobile Platform; version=Snapdragon 870 5G Mobile Platform; version=Snapdragon 888 5G Mobile Platform; version=Snapdragon 888+ 5G Mobile Platform; version=Snapdragon 8 Elite; version=Snapdragon 8 Elite Gen 5; version=Snapdragon 8 Gen 1 Mobile Platform; version=Snapdragon 8+ Gen 1 Mobile Platform; version=Snapdragon 8 Gen 2 Mobile Platform; version=Snapdragon 8+ Gen 2 Mobile Platform; version=Snapdragon 8 Gen 3 Mobile Platform; version=Snapdragon AR1 Gen 1 Platform; version=Snapdragon AR1+ Gen 1 Platform; version=Snapdragon Auto 5G Modem-RF; version=Snapdragon W5+ Gen 1 Wearable Platform; version=Snapdragon X12 LTE Modem; version=Snapdragon X53 5G Modem-RF System; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon X5 LTE Modem; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon XR2 5G Platform; version=Snapdragon XR2+ Gen 1 Platform; version=SRV1H; version=SRV1M; version=SW5100; version=SW5100P; version=SW6100; version=SW6100P; version=SXR2230P; version=SXR2250P; version=SXR2330P; version=SXR2350P; version=Themisto; version=Vision Intelligence 100 Platform; version=Vision Intelligence 200 Platform; version=Vision Intelligence 400 Platform; version=WCD9326; version=WCD9330; version=WCD9335; version=WCD9341; version=WCD9360; version=WCD9370; version=WCD9371; version=WCD9375; version=WCD9378; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3615; version=WCN3620; version=WCN3660B; version=WCN3680B; version=WCN3910; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WCN6450; version=WCN6650; version=WCN6755; version=WCN7860; version=WCN7861; version=WCN7880; version=WCN7881; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H

Published CVSS scores

7.8Qualcomm, Inc.CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-190Integer Overflow or Wraparound
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo