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VulnerabilityPublished

CVE-2026-121252: Google Chrome · Incorrect Authorization

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, 21:14 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. Since an official fix is available, applying this update is the recommended mitigation.

Description

An incorrect authorization vulnerability in Google Chrome Core prior to version 157.0.8103.38 allowed remote attackers to bypass the web origin policy using a crafted HTML page. The issue was assigned a low severity by Chromium security. A fix is available in Chrome version 157.0.8103.38.

References

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