CVE-2021-27077 Information

Description

Windows Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-26863 CVE-2021-26875 CVE-2021-26900.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27077 https://www.zerodayinitiative.com/advisories/ZDI-21-287/ https://www.zerodayinitiative.com/advisories/ZDI-21-403/ https://www.zerodayinitiative.com/advisories/ZDI-21-482/ https://www.zerodayinitiative.com/advisories/ZDI-21-494/ https://www.zerodayinitiative.com/advisories/ZDI-21-495/ https://www.zerodayinitiative.com/advisories/ZDI-21-496/ https://www.zerodayinitiative.com/advisories/ZDI-21-497/ https://www.zerodayinitiative.com/advisories/ZDI-21-498/ https://www.zerodayinitiative.com/advisories/ZDI-21-499/ https://www.zerodayinitiative.com/advisories/ZDI-21-500/ https://www.zerodayinitiative.com/advisories/ZDI-21-501/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8