SARA / Free Tools / CVE / CVE-2026-87491

CVE-2026-87491 — Out of bounds write in V8 in Google Chrome prior to 153

Out of bounds write 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: Medium)

CVSS
8.8 HIGH
EPSS
76.00% (top 46.70%)
CWE
Published
2026-09-09T01:17:05.887
Last modified
2026-09-10T12:49:02.630
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA KEV — Actively Exploited
Added to KEV
2026-09-09
BOD 22-01 due
Ransomware use
Unknown

01What is this vulnerability?

Out of bounds write 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: Medium)

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2026-09-09. Ransomware use: Unknown.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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