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Google Chrome CVE-2026-87587

| EUVDEUVD-2026-74516 HIGH
Use After Free (CWE-416)
2026-09-09 Chrome GHSA-f9mc-xpwr-35rj
8.8
CVSS 3.1 · Vendor: Chrome
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Severity by source

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

Network-reachable via crafted page (AV:N), no special complexity or auth, one user click required (UI:R), sandbox-confined scope (S:U), full renderer process impact.

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

Primary rating from Vendor (Chrome).

CVSS VectorVendor: Chrome

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Sep 09, 2026 - 15:17 vuln.today
Patch available
Sep 09, 2026 - 01:03 EUVD
CVE Published
Sep 09, 2026 - 00:09 cve.org
UNKNOWN (no severity yet)
CVE Published
Sep 09, 2026 - 00:09 cve.org
HIGH 8.8

DescriptionCVE.org

Use after free in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

AnalysisAI

Use-after-free in V8, Chrome's JavaScript engine, enables remote code execution within the browser's renderer sandbox when a victim visits a crafted HTML page. All Chrome releases prior to 153.0.8010.36 are affected across desktop platforms. …

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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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Impact
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Vulnerability AssessmentAI

Exploitation User interaction is required: the victim must actively visit a crafted HTML page in an unpatched Chrome browser (prior to 153.0.8010.36). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 8.8 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) reflects a high-severity network-reachable flaw requiring only a single user interaction - visiting a malicious page. … 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 Vendor-released patch: Chrome 153.0.8010.36. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, test Chrome version 153.0.8010.36 in a pilot environment and initiate deployment to 25-50% of Chrome-using endpoints; simultaneously issue a mandatory security notice requiring all users to update to version 153.0.8010.36. …

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CVE-2026-87587 vulnerability details – vuln.today

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