CVE-2025-27077

Local memory corruption via guest-VM message use-after-free

Published Sep 24, 2025 · Updated Sep 24, 2025

Use-after-free in Qualcomm Snapdragon Auto guest-VM messaging allows local users with low privileges to corrupt memory using a crafted message. Qualcomm has not disclosed the affected function or how the guest-VM message path retains and later accesses freed memory. The flaw requires low-privileged local access; the public record does not state whether corruption causes a crash, data access, or code execution.

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 Auto guest-VM messaging allows local users with low privileges to corrupt memory using a crafted message. Qualcomm has not disclosed the affected function or how the guest-VM message path retains and later accesses freed memory. The flaw requires low-privileged local access; the public record does not state whether corruption causes a crash, data access, or code execution.

The record

CVE
CVE-2025-27077
Published
Sep 24, 2025
Updated
Sep 24, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-416
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 24, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=QAM8255P
  2. Affected versionversion=QAM8295P
  3. Affected versionversion=QAM8620P
  4. Affected versionversion=QAM8650P
  5. Affected versionversion=QAM8775P
  6. Affected versionversion=QAMSRV1H
  7. Affected versionversion=QAMSRV1M
  8. Affected versionversion=QCA6574AU
  9. Affected versionversion=QCA6595
  10. Affected versionversion=QCA6595AU
  11. Affected versionversion=QCA6688AQ
  12. Affected versionversion=QCA6696
  13. Affected versionversion=QCA6698AQ
  14. Affected versionversion=QCA6797AQ
  15. Affected versionversion=SA7255P
  16. Affected versionversion=SA7775P
  17. Affected versionversion=SA8255P
  18. Affected versionversion=SA8295P
  19. Affected versionversion=SA8540P
  20. Affected versionversion=SA8620P
  21. Affected versionversion=SA8650P
  22. Affected versionversion=SA8770P
  23. Affected versionversion=SA8775P
  24. Affected versionversion=SA9000P
  25. Affected versionversion=SRV1H
  26. Affected versionversion=SRV1L
  27. Affected versionversion=SRV1M

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qualcomm · Snapdragonversion=QAM8255P; version=QAM8295P; version=QAM8620P; version=QAM8650P; version=QAM8775P; version=QAMSRV1H; version=QAMSRV1M; version=QCA6574AU; version=QCA6595; version=QCA6595AU; version=QCA6688AQ; version=QCA6696; version=QCA6698AQ; version=QCA6797AQ; version=SA7255P; version=SA7775P; version=SA8255P; version=SA8295P; version=SA8540P; version=SA8620P; version=SA8650P; version=SA8770P; version=SA8775P; version=SA9000P; version=SRV1H; version=SRV1L; version=SRV1M

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.

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Technologies

Your stack

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Your stack

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