CVE-2026-87564

Type confusion in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory inside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVE-2026-87564 is fixed in 8 products on 3 platforms, first by Microsoft Edge 117.0.2045.43, released September 25, 2023. It is not reported as exploited. Patch Radar priority: Routine.

RoutineFixed on 3 platforms

CVSS

4.3

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0028

20th percentile

Type confusion in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
Google Chrome (EXE)	153.0.8010.37	Google Chrome (EXE) 153.0.8010.37	Sep 7, 2026
Google Chrome Beta (EXE)	154.0.8037.0	Google Chrome Beta (EXE) 154.0.8037.0	Sep 1, 2026
Google Chrome Dev (EXE)	154.0.8013.2	Google Chrome Dev (EXE) 154.0.8013.2	Aug 21, 2026
Microsoft Edge	117.0.2045.43	Microsoft Edge 117.0.2045.43	Sep 25, 2023
Microsoft Edge Beta	127.0.2651.8	Microsoft Edge Beta 127.0.2651.8	Jun 21, 2024
Microsoft Edge Dev	139.0.3405.13	Microsoft Edge Dev 139.0.3405.13	Jul 3, 2025
macOS
Google Chrome	153.0.8010.37	Google Chrome 153.0.8010.37	Sep 7, 2026
Linux
chromium · Debian 12.15 (bookworm)	153.0.8010.52-1~deb12u1	DEBIAN-CVE-2026-87564	Sep 18, 2026
chromium · Debian 13.5 (trixie)	153.0.8010.47-2~deb13u1	DEBIAN-CVE-2026-87564	Sep 18, 2026
chromium · Debian 14	153.0.8010.47-1	DEBIAN-CVE-2026-87564	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
Weakness
Access of Resource Using Incompatible Type ('Type Confusion')
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87564

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