CVE-2020-16963 json
Windows Backup Engine Elevation of Privilege Vulnerability
published 2020-12-09 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-8921
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
Windows Backup Engine Elevation of Privilege Vulnerability
Patch / fix
- Microsoft Windows 7 6.1.7601.24563
- Microsoft Windows 7 Service Pack 1 6.1.7601.24563
- Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.24563
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.24563
Exploit prediction
1.14% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1803
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 1903 for 32-bit Systems
- Microsoft Windows 10 Version 1903 for ARM64-based Systems
- Microsoft Windows 10 Version 1903 for x64-based Systems
- Microsoft Windows 10 Version 1909
- Microsoft Windows 10 Version 2004
- Microsoft Windows 10 Version 20H2
- Microsoft Windows 7
- Microsoft Windows 7 Service Pack 1
- Microsoft Windows Server 2008 R2 Service Pack 1
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows Server version 2004
- Microsoft Windows Server version 20H2
- Microsoft Windows Server, version 1903 (Server Core installation)
- Microsoft Windows Server, version 1909 (Server Core installation)
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2020-16963
vendor-advisory, patch
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2020-16963
patch, vendor-advisory
Sources
- CVE List CVE-2020-16963
- NVD CVE-2020-16963
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.