CVE-2026-13018

Google Chrome: Insufficient validation of untrusted input

CVE-2026-13018 is fixed in 4 products on 2 platforms, first by Google Chrome Dev (EXE) 148.0.7730.2, released March 13, 2026. It is not reported as exploited. Patch Radar priority: Routine.

RoutineFixed on 2 platforms

CVSS

4.3

medium

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0020

10th percentile

Insufficient validation of untrusted input in Codecs in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to potentially perform out of bounds memory access via a crafted video file. (Chromium security severity: Low)

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
Google Chrome (EXE)	147.0.7727.56	Google Chrome (EXE) 147.0.7727.56	Apr 6, 2026
Google Chrome Beta (EXE)	148.0.7778.5	Google Chrome Beta (EXE) 148.0.7778.5	Apr 8, 2026
Google Chrome Dev (EXE)	148.0.7730.2	Google Chrome Dev (EXE) 148.0.7730.2	Mar 13, 2026
Linux
chromium · Debian 12.15 (bookworm)	147.0.7727.55-1~deb12u1	DEBIAN-CVE-2026-13018	Sep 29, 2026
chromium · Debian 13.5 (trixie)	147.0.7727.55-1~deb13u1	DEBIAN-CVE-2026-13018	Sep 29, 2026
chromium · Debian 14	147.0.7727.55-1	DEBIAN-CVE-2026-13018	Sep 29, 2026

Details

Published
September 28, 2026
Weakness
CWE-20: Insufficient validation of untrusted input
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Vendor advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-13018

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