CVE-2026-20965
published 2026-01-13CVE-2026-20965: Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.
PriorityP338high7.5CVSS 3.1
AVLACHPRHUINSCCHIHAH
EPSS
0.21%
11.1th percentile
Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_admin_center | < 0.70.0.0 | 0.70.0.0 |
| microsoft | windows_admin_center_in_azure_portal | >= 1.0 < 0.70.0.0 | 0.70.0.0 |
| msrc | windows_admin_center_in_azure_portal | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
vendor_msrc7.5HIGH
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GHSA
GHSA-r498-r54r-pxqh: Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally
ghsa_unreviewed·2026-01-13
CVE-2026-20965 [HIGH] CWE-347 GHSA-r498-r54r-pxqh: Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally
Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.
Microsoft
Windows Admin Center Elevation of Privilege Vulnerability
vendor_msrc·2026-01-13·CVSS 7.5
CVE-2026-20965 [HIGH] CWE-347 Windows Admin Center Elevation of Privilege Vulnerability
Windows Admin Center Elevation of Privilege Vulnerability
Description: Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.
FAQ: According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires the attacker to invest in some measurable amount of effort in preparation or execution against the vulnerable component before a successful attack can be expected.
FAQ: What privileges could be gained by an attacker who successfully exploited the vulnerability?
An attacker who successfully exploited the vulnerability could gain local admin privileges on targeted WAC-managed machines within a tenant.
FAQ: According t
No detection rules found.
No public exploits indexed.
Bleepingcomputer
Microsoft January 2026 Patch Tuesday fixes 3 zero-days, 114 flaws
blogs_bleepingcomputer·2026-01-13·CVSS 5.5
[MEDIUM] Microsoft January 2026 Patch Tuesday fixes 3 zero-days, 114 flaws
## Microsoft January 2026 Patch Tuesday fixes 3 zero-days, 114 flaws
## Lawrence Abrams
57 Elevation of Privilege vulnerabilities
3 Security Feature Bypass vulnerabilities
22 Remote Code Execution vulnerabilities
22 Information Disclosure vulnerabilities
2 Denial of Service vulnerabilities
5 Spoofing vulnerabilities
When BleepingComputer reports on Patch Tuesday security updates, we only count those released by Microsoft today. Therefore, the number of flaws does not include Microsoft Edge (1 flaw) and Mariner vulnerabilities fixed earlier this month.
To learn more about the non-security updates released today, you can review our dedicated articles on the Windows 11 KB5074109 & KB5073455 cumulative updates and Windows 10 KB5073724 extended security update .
## 3 zero-days, one ex
Wiz
CVE-2025-64669 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 6.2
CVE-2025-64669 [MEDIUM] CVE-2025-64669 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-64669 :
Windows Admin Center vulnerability analysis and mitigation
Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges locally.
Source : NVD
## 7.8
Score
Published December 11, 2025
Severity HIGH
CNA Score 7.8
Affected Technologies
Windows Admin Center
Has Public Exploit Yes
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 18.9
Exploitation Probability (EPSS) 0.1
Affected packages and libraries
cpe:2.3:a:microsoft:windows_admin_center
Sources
Windows Severity HIGH Has Fix Added at: Dec 12, 2025
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## Relat
Wiz
CVE-2026-20965 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 6.2
CVE-2026-20965 [MEDIUM] CVE-2026-20965 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-20965 :
Windows Admin Center vulnerability analysis and mitigation
Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.
Source : NVD
## 7.5
Score
Published January 13, 2026
Severity HIGH
CNA Score 7.5
Affected Technologies
Windows Admin Center
Has Public Exploit Yes
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 8
Exploitation Probability (EPSS) N/A
Affected packages and libraries
cpe:2.3:a:microsoft:windows_admin_center
Sources
Windows Severity HIGH Has Fix Added at: Jan 18, 2026
Windows Severity HIGH Has Fix Added at: Jan 19, 2026
## Get a CVE risk assessment
Get a prioritized view of CVEs in your cloud
Wiz
CVE-2026-26119 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 6.2
CVE-2026-26119 [MEDIUM] CVE-2026-26119 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-26119 :
Windows Admin Center vulnerability analysis and mitigation
Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
Source : NVD
## 8.8
Score
Published February 17, 2026
Severity HIGH
CNA Score 8.8
Affected Technologies
Windows Admin Center
Has Public Exploit Yes
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 17.7
Exploitation Probability (EPSS) 0.1
Affected packages and libraries
cpe:2.3:a:microsoft:windows_admin_center
Sources
Windows Severity HIGH Has Fix Added at: Feb 20, 2026
Windows Severity HIGH Has Fix Added at: Feb 20, 2026
## Get a CVE risk assessment
Get a prioritized view of CVEs in your cloud—so you can fo
Wiz
CVE-2026-23660 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 6.2
CVE-2026-23660 [MEDIUM] CVE-2026-23660 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-23660 :
Windows Admin Center vulnerability analysis and mitigation
Improper access control in Azure Portal Windows Admin Center allows an authorized attacker to elevate privileges locally.
Source : NVD
## 7.8
Score
Published March 10, 2026
Severity HIGH
CNA Score 7.8
Affected Technologies
Windows Admin Center
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 13.8
Exploitation Probability (EPSS) N/A
Affected packages and libraries
cpe:2.3:a:microsoft:windows_admin_center
Sources
Windows Severity HIGH Has Fix Added at: Mar 19, 2026
Windows Severity HIGH Has Fix Added at: Mar 20, 2026
## Get a CVE risk assessment
Get a prioritized view of CVEs in your cloud—so you can
2026-01-13
Published