PatchTheCVECVE-2026-14121: Use after free in Chromoting in Google Chrome on Linux prior to 150.0.7871.47 allowed a remote attacker to exe
CVE-2026-14121 is a critical-severity flaw (CVSS 9.8) affecting chrome. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Use after free in Chromoting in Google Chrome on Linux prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Low)
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 61%) |
| CISA exploited list | No |
| Weakness | CWE-416 |
| Published | 2026-06-30 |
| Last modified | 2026-10-25 |
Last updated 2026-10-25 · 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-2026-14121?
chrome: upgrade to 150.0.7871.47. Exact commands for each OS are on this page.
Is CVE-2026-14121 being exploited?
CVE-2026-14121 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-2026-14121 affect?
CVE-2026-14121 affects chrome. Severity is critical (CVSS 9.8). Use after free in Chromoting in Google Chrome on Linux prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Low)
How urgent is CVE-2026-14121?
Priority 54/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist
Software pages
Google Chrome vulnerabilities · Chromium vulnerabilities
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