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VulnerabilityPublished Updated

CVE-2026-0628: Google Chrome · Insufficient Policy Enforcement

Affects Google ChromeSource CVE Database V5

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Not known to be exploited · 20% EPSS · CVSS 8.8 High : upgrade to 143.0.7499.192 soon.

Data as of 8 Nov 2026, 23:24 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
20.9% chance of exploitation in 30 days – higher than 97% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 143.0.7499.192
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 Jan 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    Public exploit code: GitHub proofs of concept

  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), GitHub proofs of concept, the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.

What to do

Upgrade Chrome and google/chrome to 143.0.7499.192.

Affected software

ProductAffectedFixed in
GoogleChromeAffected
  • >=143.0.7499.192 <143.0.7499.192
Fixed in
  • 143.0.7499.192
Googlegoogle/chromepkg:deb/google/chromeOther threatsAffected
  • <143.0.7499.192
Fixed in
  • 143.0.7499.192

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

AI-suggested

Until then, users should exercise caution when installing Chrome extensions, especially those from untrusted sources, to mitigate risk.

Description

CVE-2026-0628 is a high-severity vulnerability in Google Chrome prior to version 143.0.7499.192. It involves insufficient policy enforcement in the WebView tag, allowing an attacker to trick a user into installing a malicious Chrome extension. This extension can inject scripts or HTML into privileged pages, potentially compromising confidentiality, integrity, and availability. Exploitation requires user interaction but no privileges or authentication. No known exploits exist in the wild. The vulnerability has a CVSS score of 8.8, indicating significant risk.

References

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