CVE-2026-62873

⛔ critical

Improper verification of cryptographic signature in Microsoft 365 Admin Center allows an unauthorized attacker to elevate privileges over a network.

CVSS Score

9.8

Critical

EPSS Score

0.3

Exploit Probability

Published Date

2026-08-07

First Seen: 2026-08-07

This CVE is Very High Risk - more severe than 90.6% of all 365,987 vulnerabilities in our database.

#34,459

Top 10% most severe

Severity Percentile

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

YES

Can be exploited automatically

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-08-07

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-347

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
microsoft	windows_admin_center	Affected	v-

Vendor Advisory

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-56171	⚠️ high	7.1	0.5	Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disc...	2026-07-17
CVE-2026-58643	🔶 medium	6.1	0.2	Improper neutralization of input during web page generation ('cross-site scripting') in Windows Admin Center allows an u...	2026-07-16
CVE-2026-56169	⚠️ high	8.1	0.5	Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges over a network.	2026-07-14
CVE-2026-56185	🔶 medium	6.5	0.6	Improper authentication in Windows Admin Center allows an authorized attacker to disclose information over a network.	2026-07-14
CVE-2026-57107	⚠️ high	7.8	0.2	Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges locally.	2026-07-14
CVE-2026-58631	⚠️ high	7.8	0.3	Improper authorization in Windows Admin Center allows an authorized attacker to execute code locally.	2026-07-14

These CVEs affect the same products