CVE-2026-11242: Google Chrome · Insufficient Validation of Untrusted Input
Affects Google ChromeSource CVE Database V5
Not known to be exploited · CVSS 7.5 High : upgrade to 149.0.7827.53 soon.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 18% 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:N/S:U/C:H/I:N/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 30 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 a patch is confirmed, users should apply the latest Chrome updates as they become available and follow Google’s official update channels. No specific temporary mitigations are provided.
Description
CVE-2026-11242 is a vulnerability in Google Chrome prior to version 149.0.7827.53 involving insufficient validation of untrusted input in Plugins. This flaw allows a remote attacker who has compromised the renderer process to leak cross-origin data via a crafted HTML page. The vulnerability has a high severity rating with a CVSS score of 7.5. There is no explicit vendor advisory stating a patch or fix is available, and no known exploits in the wild have been reported.