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VulnerabilityPublished

CVE-2026-10931: Google Chrome · Use After Free

Affects Google ChromeSource CVE Database V5

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Not known to be exploited · CVSS 9.6 Critical : upgrade to 149.0.7827.53 as a priority.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
9.6Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 25% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 149.0.7827.53
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade Google Chrome to 149.0.7827.53.

Affected software

ProductAffectedFixed in
GoogleChromeAffected
  • >=149.0.7827.53 <149.0.7827.53
Fixed in
  • 149.0.7827.53

AI-suggested

The vendor advisory link provided should be monitored for updates on official fixes. Until a patch is confirmed, users should exercise caution when browsing untrusted websites and consider applying any available Chrome updates promptly once released.

Description

CVE-2026-10931 is a use-after-free vulnerability in the FileSystem component of Google Chrome versions prior to 149.0.7827.53. This flaw could allow a remote attacker to potentially escape the browser's sandbox by crafting a malicious HTML page. The vulnerability is rated critical with a high CVSS score of 9.6, indicating severe impact on confidentiality, integrity, and availability.

References

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