CVE-2026-11258: Google Chrome · Inappropriate Implementation
Affects Google ChromeSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium : upgrade to 149.0.7827.53 when convenient.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 149.0.7827.53
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 4 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade Google Chrome to 149.0.7827.53.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| GoogleChrome | Affected
| Fixed in
|
AI-suggested
Until official confirmation, users should update to version 149.0.7827.53 or later once available. Avoid interacting with untrusted web content that requests unusual UI gestures related to file system access.
Description
CVE-2026-11258 is a vulnerability in Google Chrome's File System Access feature prior to version 149.0.7827.53. It allows a remote attacker to bypass discretionary access control by convincing a user to perform specific UI gestures on a crafted HTML page. The vulnerability has a medium severity rating with a CVSS score of 6.5. No known exploits are reported in the wild. The vendor advisory link is provided but does not explicitly confirm patch availability or remediation status.