CVE-2026-56997

HighCVSS 8.8/10Last modified Sep 18, 2026

Description

In Av1DecodeFrameTag of vp9hwd_headers.cc, there is a possible out-of-bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Sep 15, 2026
Last modified
Sep 18, 2026
NVD status
Analyzed

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CVE-2026-56997: High severity, CVSS 8.8 | Vulnix