EUVD-2026-78989
GHSA-qcf7-grjp-j68w
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (Google_Devices) · only source for this CVE.
CVSS VectorVendor: Google_Devices
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
An out-of-bounds write in Av1DecodeFrameTag (vp9hwd_headers.cc) in the Android media decoding stack allows crafted AV1/VP9 media content to corrupt memory and potentially achieve remote code execution in the codec process, which runs with elevated system privileges relative to a normal app. Google's Pixel security bulletin dated 2026-09-01 lists the fix, and no user interaction is required, though the provided CVSS vector (PR:L) implies the attacker must already be able to route content into the decoder path. …
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Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Privilege Escalation
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External POC / Exploit Code
Leaving vuln.today