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VulnerabilityPublished

CVE-2026-17954: Google Chrome · Policy Bypass

Affects Google ChromeSource CVE Database V5

0

Not known to be exploited · CVSS 4.3 Medium : upgrade to 151.0.7922.72 when convenient.

Data as of 28 Oct 2026, 05:11 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 151.0.7922.72
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Upgrade Chrome and google/chrome to 151.0.7922.72.

Affected software

ProductAffectedFixed in
GoogleChromeAffected
  • >=151.0.7922.72 <151.0.7922.72
Fixed in
  • 151.0.7922.72
Googlegoogle/chromepkg:deb/google/chromeOther threatsAffected
  • <151.0.7922.72
Fixed in
  • 151.0.7922.72

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users and administrators should update Google Chrome to version 151.0.7922.72 or later, where this vulnerability is fixed. The vendor advisory confirms the availability of this update. No additional mitigations are specified or required beyond applying the official patch.

Description

A policy bypass vulnerability in the MHTML component of Google Chrome prior to version 151.0.7922.72 allows a remote attacker to leak cross-origin data by crafting a malicious MHTML page. The vulnerability is rated as medium severity with a CVSS score of 4.3. There are no known exploits in the wild. The vendor advisory linked suggests an update to Chrome 151.0.7922.72 to address this issue.

References

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