CVE-2026-87491

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)

Affected

Google · Chrome

CVSS v3.1 CNA

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

EPSS

3.14% chance of exploitation in the next 30 days, 88th percentile

CISA KEV

added 2026-09-09

Published

2026-09-09

Updated

2026-09-21

Proof-of-concept exploits (2)

• SneakyNachos/CVE-2026-87491-and-CVE-2026-85046-the-bagel-fell-off-the-counter5★ · 2026-09-11
• SneakyNachos/CVE-2026-87575-CVE-2026-87606-CVE-2026-87491-and-CVE-2026-85046.-Escape-the-…5★ · 2026-09-15

Security advisories

• https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_080814502…

References

• CVE Record
• NVD entry

Related

• CVE-2024-29943
• CVE-2026-12295
• CVE-2026-15718
• CVE-2026-2764
• CVE-2026-2766
• CVE-2026-2796