CVE-2026-87643

Chromium CVE-2026-87643: Integer overflow in GPU

CVE-2026-87643 is fixed in chromium on 1 platform, first by DEBIAN-CVE-2026-87643, released September 18, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent

CVSS

9.6

critical

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0046

40th percentile

<p>This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see <a href="https://chromereleases.googleblog.com/2026">Google Chrome Releases</a> for more information.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Linux
chromium · Debian 12.15 (bookworm)	153.0.8010.52-1~deb12u1	DEBIAN-CVE-2026-87643	Sep 18, 2026
chromium · Debian 13.5 (trixie)	153.0.8010.47-2~deb13u1	DEBIAN-CVE-2026-87643	Sep 18, 2026
chromium · Debian 14	153.0.8010.47-1	DEBIAN-CVE-2026-87643	Sep 18, 2026
chromium · opensuse-leap 16.0	153.0.8010.52-bp160.1.1	OPENSUSE-SU-2026:21921-1	Nov 7, 2026

Details

Published
September 9, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87643

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