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CVE-2026-124907

Privilege escalation, sandbox escape due to use-after-free in the Graphics: CanvasWebGL component

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 10 Nov 2026 20:21:22 UTC. Read the latest advisory.

cve-program · CVE-2026-124907

Published

Privilege escalation, sandbox escape due to use-after-free in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-124907

Published

Privilege escalation, sandbox escape due to use-after-free in the Graphics: CanvasWebGL component

Privilege escalation, sandbox escape due to use-after-free in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

Source published
10 Nov 2026 13:28:32 UTC
Source modified
10 Nov 2026 18:58:50 UTC
Saved here
10 Nov 2026 20:21:22 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 15 Nov 22:09 UTC · 274 of 275 readable · 268 fully read · documentation 469/469 current

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