CVE-2026-12029: Use after free in Video in Google Chrome on Windows prior to 149.0.7827.115 allowed a remote attacker who had
CVE-2026-12029 is a high-severity flaw (CVSS 8.3) affecting chrome. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Use after free in Video in Google Chrome on Windows prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.3 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 91%) |
| CISA exploited list | No |
| Weakness | CWE-416 |
| Published | 2026-06-11 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-12029?
chrome: upgrade to 149.0.7827.115. Exact commands for each OS are on this page.
Is CVE-2026-12029 being exploited?
CVE-2026-12029 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-12029 affect?
CVE-2026-12029 affects chrome. Severity is high (CVSS 8.3). Use after free in Video in Google Chrome on Windows prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Hig
How urgent is CVE-2026-12029?
Priority 31/100. High severity
Software pages
Windows vulnerabilities · Google Chrome vulnerabilities · Chromium vulnerabilities
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