Description
In Wave6VpuDecFlush of wave6.c, there is a possible out-of-bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Published: 2026-09-15
Score: 8.4 High
EPSS: < 1% Very Low
KEV: No
Impact: Local Privilege Escalation
Action: Patch Now
AI Analysis

Impact

The vulnerability is a missing bounds check in the Wave6VpuDecFlush function of Android's Wave6 video decoder, which can lead to an out-of-bounds write. This flaw enables a local attacker to corrupt memory from a buffer overrun, potentially elevating privileges to that of a system or privileged application. The weakness is reflected by CWE identifiers 120 and 787.

Affected Systems

Android devices that implement Google’s Wave6 video decoding component are affected, including Pixel smartphones and other hardware that incorporates the unpatched Wave6 library. No explicit Android version or build number is listed, so any device containing the vulnerable component prior to a security patch is at risk.

Risk and Exploitability

The CVSS score of 8.4 indicates a high severity for local privilege escalation. The EPSS score of less than 1% suggests a low likelihood of public exploitation at present, and the vulnerability is not listed in CISA KEV. Because no user interaction is required and only local execution privileges are needed, the attack vector is local; however, the lack of exploitation evidence and the low EPSS score imply that immediate impact is limited but the high CVSS warrants prompt remediation.

Generated by OpenCVE AI on September 20, 2026 at 14:11 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply the latest Android security patch that includes the Wave6 component fix
  • Ensure the device remains updated with all subsequent security releases
  • If a patch isn’t yet available, disable or restrict usage of the Wave6 video decoder through developer settings as a temporary measure

Generated by OpenCVE AI on September 20, 2026 at 14:11 UTC.

Tracking

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Advisories

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History

Mon, 21 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

Sun, 20 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write in Wave6 Video Decoder Could Lead to Local Privilege Escalation

Thu, 17 Sep 2026 10:30:00 +0000

Type Values Removed Values Added
Title Possible Out‑of‑Bounds Write in Android Wave6 Video Decoding May Cause Local Privilege Escalation
Weaknesses CWE-125

Wed, 16 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-120
CWE-787
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 16 Sep 2026 00:00:00 +0000

Type Values Removed Values Added
Title Possible Out‑of‑Bounds Write in Android Wave6 Video Decoding May Cause Local Privilege Escalation
Weaknesses CWE-125

Tue, 15 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google android
Vendors & Products Google
Google android

Tue, 15 Sep 2026 18:45:00 +0000

Type Values Removed Values Added
Description In Wave6VpuDecFlush of wave6.c, there is a possible out-of-bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Google_Devices

Published:

Updated: 2026-09-16T16:11:16.585Z

Reserved: 2026-06-16T17:47:22.542Z

Link: CVE-2026-55301

cve-icon Vulnrichment

Updated: 2026-09-16T15:48:57.752Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-15T19:17:20.693

Modified: 2026-09-21T17:20:50.407

Link: CVE-2026-55301

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-20T14:15:08Z

Weaknesses
  • CWE-120

    Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

  • CWE-787

    Out-of-bounds Write