CVE-2026-87491
Published:September 09, 2026
Updated:September 22, 2026
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 Packages
https://chromium.googlesource.com/v8/v8.git (SCM_GIT):
Affected version(s) >=15.3.1 <15.3.56Fix Suggestion:
Update to version 15.3.56https://chromium.googlesource.com/v8/v8.git (SCM_GIT):
Affected version(s) >=15.2.1 <15.2.124.22Fix Suggestion:
Update to version 15.2.124.22Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
ATTACKED
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Exploit Maturity
HIGH
Weakness Type (CWE)
Out-of-bounds Write
EPSS
Base Score:
1.00