7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.1 High
AI Score
Confidence
High
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
30.6%
Windows Win32k Elevation of Privilege Vulnerability
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27077
www.zerodayinitiative.com/advisories/ZDI-21-287/
www.zerodayinitiative.com/advisories/ZDI-21-403/
www.zerodayinitiative.com/advisories/ZDI-21-482/
www.zerodayinitiative.com/advisories/ZDI-21-494/
www.zerodayinitiative.com/advisories/ZDI-21-495/
www.zerodayinitiative.com/advisories/ZDI-21-496/
www.zerodayinitiative.com/advisories/ZDI-21-497/
www.zerodayinitiative.com/advisories/ZDI-21-498/
www.zerodayinitiative.com/advisories/ZDI-21-499/
www.zerodayinitiative.com/advisories/ZDI-21-500/
www.zerodayinitiative.com/advisories/ZDI-21-501/
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.1 High
AI Score
Confidence
High
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
30.6%