CVE-2026-121133: Incorrect reference resolution in Images in Google Chrome on on Mac prior to 157.0.8103.38 allowed a remote at
CVE-2026-121133 is a high-severity flaw (CVSS 8.1) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Incorrect reference resolution in Images in Google Chrome on on Mac prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: High)
Why this priority
- High severity
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 89%) |
| CISA exploited list | No |
| Weakness | CWE-706 |
| Published | 2026-11-03 |
| Last modified | 2026-11-05 |
Last updated 2026-11-05 · 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-2026-121133 | Google Chrome up to 156.0.8078.79 Image Reference Resolution code injection 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-2026-121133?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-121133 being exploited?
CVE-2026-121133 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-2026-121133 affect?
CVE-2026-121133 affects affected software. Severity is high (CVSS 8.1). Incorrect reference resolution in Images in Google Chrome on on Mac prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via crafted network traffic. (Chromi
How urgent is CVE-2026-121133?
Priority 36/100. High severity; Remotely exploitable, no login, no user action
Software pages
Google Chrome vulnerabilities · Chromium vulnerabilities