CVE-2021-26862

high
New! CVE Severity Now Using CVSS v3

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Description

Windows Installer Elevation of Privilege Vulnerability

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26862

https://www.zerodayinitiative.com/advisories/ZDI-21-285/

Details

Source: MITRE

Published: 2021-03-11

Updated: 2021-03-22

Type: CWE-269

Risk Information

CVSS v2

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH

Tenable Plugins

View all (10 total)

IDNameProductFamilySeverity
147231KB5000851: Windows 7 and Windows Server 2008 R2 March 2021 Security UpdateNessusWindows : Microsoft Bulletins
critical
147230KB5000807: Windows 10 March 2021 Security UpdateNessusWindows : Microsoft Bulletins
high
147229KB5000853: Windows 8.1 and Windows Server 2012 R2 March 2021 Security UpdateNessusWindows : Microsoft Bulletins
critical
147226KB5000802: Windows Security Update (March 2021)NessusWindows : Microsoft Bulletins
high
147224KB5000809: Windows 10 Version 1803 March 2021 Security UpdateNessusWindows : Microsoft Bulletins
high
147223KB5000822: Windows 10 Version 1809 and Windows Server 2019 March 2021 Security UpdateNessusWindows : Microsoft Bulletins
critical
147222KB5000803: Windows Security Update (March 2021)NessusWindows : Microsoft Bulletins
critical
147221KB5000840: Windows Server 2012 March 2021 Security UpdateNessusWindows : Microsoft Bulletins
critical
147220KB5000808: Windows 10 Version 1909 March 2021 Security UpdateNessusWindows : Microsoft Bulletins
high
147217KB5000856: Windows Server 2008 March 2021 Security UpdateNessusWindows : Microsoft Bulletins
critical