Vulnerability · Published Jul 16, 2026 · Assigned by microsoft
CVE-2026-58643Windows Admin Center Spoofing Vulnerability
Medium 6.1
In plain English
A medium-severity cross-site scripting in Windows Admin Center from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.4%top 64.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper neutralization of input during web page generation ('cross-site scripting') in Windows Admin Center allows an unauthorized attacker to perform spoofing over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Admin Center | 1809.0 – before 2.6.7 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C
References
- Windows Admin Center Spoofing Vulnerability vendor-advisory, patch