CVE-2026-87446: Extensions · Incomplete Cleanup
Affects chromeSource GCVE Database
Not known to be exploited · CVSS 6.5 Medium : upgrade to 153.0.8010.36 when convenient.
Data as of 26 Oct 2026, 17:16 UTC
- 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:NExploitation evidence
Disclosed: evidence found.
CVE published 9 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
Googlegoogle/chromepkg:deb/google/chromeOther threats | Affected
| Fixed in
|
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.