CVE-2026-58643

FAUCET Score

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.

First published: Jul 16, 2026Last modified: Jul 17, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 1809.0, < 2511CPE match	cpe:2.3:a:microsoft:windows_admin_center::::::::
		>= 1809, < 2511CPE matchmatch criteria	cpe:2.3:a:microsoft:windows_admin_center::::::::

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

2.8

Impact Score

2.7

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.24%

Probability of exploitation in next 30 days

EPSS Percentile

14.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-26

Model: v2026.06.15

This CVE's current EPSS score of 0.0024 is in the 15th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia msrc

Product: Windows Admin CenterFixed in: 2511

View patch

microsoftpatch availablevia nvd_reference

View patch

Vendor Advisories (1)

microsoft2026-Jul/CVE-2026-58643Important

Windows Admin Center Spoofing Vulnerability

Jul 14, 2026

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2026-58643

PatchVendor Advisory