CVE-2026-87634
CVSS v3
9.6
CRITICAL
EPSS Score
0.3 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Use after free in WebPackaging in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)
Technical details
- CVSS v3 Vector
- 3.1
- Published
- 2026-09-09
- Last Modified
- 2026-09-09
Frequently asked questions
What is CVE-2026-87634?
Use after free in WebPackaging in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)
Is CVE-2026-87634 actively exploited?
Active exploitation of CVE-2026-87634 has not been confirmed. The EPSS score is 0.3%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-87634?
CVE-2026-87634 has a CVSS v3 base score of 9.6 (CRITICAL severity), with vector string 3.1.
Is CVE-2026-87634 affecting your environment?
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