CVE-2025-27047

Local memory corruption via TESTPATTERNCONFIG use-after-free

Published Jul 8, 2025 · Updated Jul 8, 2025

Use-after-free in Qualcomm Snapdragon display components allows local users to corrupt memory via the TESTPATTERNCONFIG escape path. The public advisory does not identify the freed object or the operation that subsequently reuses it. Low-privilege local access is required; successful exploitation can compromise confidentiality, integrity, and availability.

CVSS severity7.8
High
EPSS probability0.09%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in Qualcomm Snapdragon display components allows local users to corrupt memory via the TESTPATTERNCONFIG escape path. The public advisory does not identify the freed object or the operation that subsequently reuses it. Low-privilege local access is required; successful exploitation can compromise confidentiality, integrity, and availability.

The record

CVE
CVE-2025-27047
Published
Jul 8, 2025
Updated
Jul 8, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-416
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 8, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 8, 2025Record updatedLatest update available in the CVE record.

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=FastConnect 6700
  2. Affected versionversion=FastConnect 6900
  3. Affected versionversion=FastConnect 7800
  4. Affected versionversion=QCM5430
  5. Affected versionversion=QCM6490
  6. Affected versionversion=QCS5430
  7. Affected versionversion=QCS6490
  8. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  9. Affected versionversion=SC8380XP
  10. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  11. Affected versionversion=Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB)
  12. Affected versionversion=WCD9370
  13. Affected versionversion=WCD9375
  14. Affected versionversion=WCD9380
  15. Affected versionversion=WCD9385
  16. Affected versionversion=WSA8830
  17. Affected versionversion=WSA8835
  18. Affected versionversion=WSA8840
  19. Affected versionversion=WSA8845
  20. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qualcomm · Snapdragonversion=FastConnect 6700; version=FastConnect 6900; version=FastConnect 7800; version=QCM5430; version=QCM6490; version=QCS5430; version=QCS6490; version=Qualcomm Video Collaboration VC3 Platform; version=SC8380XP; version=Snapdragon 7c+ Gen 3 Compute; version=Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB); version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WSA8830; 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 exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free

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.

Technologies

Your stack

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Your stack

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