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VulnerabilityPublished Updated

CVE-2026-87446: Extensions · Incomplete Cleanup

Affects chromeSource GCVE Database

0
Authoritative record:CVE-2026-87446· Medium 6.5

Not known to be exploited · CVSS 6.5 Medium : upgrade to 153.0.8010.36 when convenient.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 23% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 153.0.8010.36
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Sep 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 google/chrome to 153.0.8010.36.

Affected software

ProductAffectedFixed in
Googlegoogle/chromepkg:deb/google/chromeOther threatsAffected
  • <153.0.8010.36
Fixed in
  • 153.0.8010.36

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

AI-suggested

A fix is available in Google Chrome version 153.0.8010.36. Users and administrators should update to this version or later to remediate the vulnerability. Since this is a client-side application, patching the browser is the recommended mitigation.

Description

An incomplete cleanup vulnerability in Google Chrome extensions prior to version 153.0.8010.36 allows a remote attacker to bypass system access restrictions via a crafted extension leveraging social engineering. The issue has a medium severity rating and does not impact confidentiality or availability but can impact integrity.

References

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