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VulnerabilityPublished

CVE-2026-121198: Google Chrome · Confused Deputy

Affects Google ChromeSource CVE Database V5

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Not known to be exploited : upgrade to 157.0.8103.38 when convenient.

Data as of 3 Nov 2026, 21:15 UTC

Severity
Low

Rated Low by the CNA (Chrome) · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 157.0.8103.38

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 3 Nov 2026.

What to do

Upgrade Google Chrome to 157.0.8103.38.

Affected software

ProductAffectedFixed in
GoogleChromeAffected
  • >=157.0.8103.38 <157.0.8103.38
Fixed in
  • 157.0.8103.38

AI-suggested

Users and administrators should update Google Chrome to version 157.0.8103.38 or later to remediate this vulnerability. The fix is officially released and available. No additional mitigation actions are indicated by the vendor advisory.

Description

A confused deputy vulnerability in the WebUI component of Google Chrome prior to version 157.0.8103.38 allows a remote attacker to bypass the web origin policy via a crafted HTML page leveraging social engineering. The issue has been fixed in Chrome version 157.0.8103.38. The vulnerability is rated as low severity by Chromium security.

References

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