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Google Chrome CVE-2026-87467

| EUVDEUVD-2026-74498 HIGH
Race Condition (CWE-362)
2026-09-09 Chrome GHSA-m2w2-w93c-rhg3
8.1
CVSS 3.1 · Vendor: Chrome
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Severity by source

Vendor (Chrome) PRIMARY
8.1 HIGH
AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
vuln.today AI
8.1 HIGH

Local-only vector with race condition complexity; PR:N since any local process can attempt the race; S:C reflects sandbox escape to host OS.

3.1 AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
4.0 AV:L/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (Chrome).

CVSS VectorVendor: Chrome

Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

5
Metadata Corrected
Sep 09, 2026 - 16:40 vuln.today
tag: Microsoft removed
Analysis Generated
Sep 09, 2026 - 15:54 vuln.today
Patch available
Sep 09, 2026 - 01:03 EUVD
CVE Published
Sep 09, 2026 - 00:09 cve.org
HIGH 8.1
CVE Published
Sep 09, 2026 - 00:09 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

Race condition in Updater in Google Chrome on on Windows prior to 153.0.8010.36 allowed a local attacker to potentially execute arbitrary code outside the sandbox via a local program. (Chromium security severity: High)

AnalysisAI

Sandbox-escape code execution via a race condition in the Google Chrome Updater component on Windows allows a local attacker to execute arbitrary code outside the Chrome sandbox. Affected builds are all Chrome versions prior to 153.0.8010.36 on Windows. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires: (1) the attacker already has local code execution on the target Windows machine - this is a hard prerequisite; (2) Google Chrome is installed and the Chrome Updater service or process is present and triggerable on that machine; (3) the attacker's program must win a race condition, meaning exploitation timing is inherently probabilistic and may require multiple attempts. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H produces a score of 8.1, reflecting the local-access requirement and high attack complexity. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update Google Chrome for Windows to version 153.0.8010.36 or later via the stable channel. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, distribute Chrome version 153.0.8010.36 or later to all Windows endpoints via enterprise update mechanisms; ensure auto-update is enabled if not already managed centrally. …

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CVE-2026-87467 vulnerability details – vuln.today

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