🛡️ CVE-2026-11198 — chrome

🔴 CVSS 9.6 — Critical ✅ No Known Exploit CWE-20 NVD

9.6

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

Insufficient validation of untrusted input in Codecs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted video file. (Chromium security severity: Medium)

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2026-11198 is classified as CWE-20: Improper Input Validation. The application accepts input without checking that it has the expected form, so malformed values reach code that assumes they are well formed.

Affected software

CVE-2026-11198 is recorded against 2 packages.

chrome (fixed in 149.0.7827.53)
unknown

Timeline and source

Published on 4 June 2026 and last revised on 23 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

chromereleases.googleblog.com
issues.chromium.org

CVE-2026-11198 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Debian

Details

Severity CRITICAL

CVSS Score 9.6

CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CWE CWE-20

Public Exploit ✅ No

Source NVD

Published 2026-06-04

Updated 2026-08-11

Modified 2026-07-23

Fix URL N/A

Affected Packages

Software	From version	Fixed in
chrome	—	149.0.7827.53
unknown	—	—

References

Vendor Advisory https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html

Permissions Required https://issues.chromium.org/issues/504395300

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