Multiple vulnerabilities were identified in Microsoft Edge. A remote attacker could exploit some of these vulnerabilities to trigger denial of service condition, elevation of privilege, security restriction bypass, spoofing, sensitive information disclosure and remote code execution on the targeted system.
CVE-2026-87491 is being exploited in the wild. A remote attacker could exploit this vulnerability to execute arbitrary code inside the sandbox via a crafted HTML page. Hence, the risk level is rated as Extremely High Risk.
Remote Code Execution
Security Restriction Bypass
Information Disclosure
Elevation of Privilege
System / Technologies affected
Microsoft Edge version prior to 153.0.4234.32
Before installation of the software, please visit the software vendor web-site for more details.
Apply fixes issued by the vendor:
Update to version 153.0.4234.32 or later
Vulnerability Identifier
The full story
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