CVE-2026-87446

VendorgoogleProductchromeDiscoveredSep 9, 2026UpdatedSep 10, 2026

Incomplete cleanup in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)

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CVSS v3.1

6.5 MEDIUM

EPSS

0.31%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

Intelligence Reports1

1 intelligence report available

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EPSS Trend

Sep 10, 2026 → Sep 25, 2026

▲ 0.03pp

0.28% → 0.31% over 3 tracked changes

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

ScopeUNCHANGED

ConfidentialityNONE

IntegrityHIGH

AvailabilityNONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Connections

2 relationships

CWE-459

source

Timeline

disclosure → media coverage

Sep 9, 2026

Disclosure — published as a CVE record.