PatchTheCVECVE-2026-11143: Out of bounds read in Extensions in Google Chrome on Linux prior to 149.0.7827.53 allowed an attacker who conv
CVE-2026-11143 is a medium-severity flaw (CVSS 6.5) affecting chrome. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Out of bounds read in Extensions in Google Chrome on Linux prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information from process memory via a crafted Chrome Extension. (Chromium security severity: Medium)
Why this priority
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 93%) |
| CISA exploited list | No |
| Weakness | CWE-122 |
| Published | 2026-06-04 |
| Last modified | 2026-07-23 |
Last updated 2026-07-23 · 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-2026-11143?
chrome: upgrade to 149.0.7827.53. Exact commands for each OS are on this page.
Is CVE-2026-11143 being exploited?
CVE-2026-11143 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-2026-11143 affect?
CVE-2026-11143 affects chrome. Severity is medium (CVSS 6.5). Out of bounds read in Extensions in Google Chrome on Linux prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information from process memory via a crafted Chrome
How urgent is CVE-2026-11143?
Priority 29/100. On your watchlist
Software pages
Google Chrome vulnerabilities · Chromium vulnerabilities
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