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CVE-2026-11021

CRITICALCVSS 9.6/10EPSS 0.33%

Last modified

CVE-2026-11021 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Insufficient validation of untrusted input in GPU in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium). EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

Insufficient validation of untrusted input in GPU in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

Metrics

CVSS 3.1
9.6/10

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

EPSS Probability
0.33%

24.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleChrome< 149.0.7827.53

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-11021?
Insufficient validation of untrusted input in GPU in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
How severe is CVE-2026-11021?
CVE-2026-11021 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.
How do I fix CVE-2026-11021?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-11021?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST