CVE-2026-120931: Out of bounds write in WebGL in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker t
CVE-2026-120931 is a critical-severity flaw (CVSS 9.6) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Out of bounds write in WebGL in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
Why this priority
- Critical severity
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.6 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | n/a |
| CISA exploited list | No |
| Weakness | CWE-787 |
| Published | 2026-11-03 |
| Last modified | 2026-11-03 |
Last updated 2026-11-03 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Advisories and coverage
Research and news
- VulDB Recent Entries: CVE-2026-120931 | Google Chrome up to 155.0.8059.84 WebGL out-of-bounds write 2026-11-03
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-2026-120931?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-120931 being exploited?
CVE-2026-120931 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-2026-120931 affect?
CVE-2026-120931 affects affected software. Severity is critical (CVSS 9.6). Out of bounds write in WebGL in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
How urgent is CVE-2026-120931?
Priority 34/100. Critical severity
Software pages
Android vulnerabilities · Google Chrome vulnerabilities · Chromium vulnerabilities