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VulnerabilityPublished

CVE-2026-121170: Google Chrome · Improper Resource Control

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, 21:28 UTC

Severity
Medium

Rated Medium 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

A fix for this vulnerability is available in Google Chrome version 157.0.8103.38. Users and administrators should update to this version or later to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.

Description

A vulnerability in Google Chrome's WebCodecs component prior to version 157.0.8103.38 allows a remote attacker to bypass the web origin policy by using a crafted HTML page. This issue is classified with medium severity by Chromium security.

References

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