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CVE-2026-124927

Site isolation issue in the Graphics: WebRender component

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

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

cve-program · CVE-2026-124927

Published

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-124927

Published

Site isolation issue in the Graphics: WebRender component

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

Source published
10 Nov 2026 13:28:40 UTC
Source modified
10 Nov 2026 20:24:39 UTC
Saved here
10 Nov 2026 22:21:22 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.

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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 21:13 UTC · 254 of 275 readable · 250 fully read · documentation 469/469 current

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