CVE-2026-58643 — MEDIUM (6.1)

Q: What is CVE-2026-58643?

CVE-2026-58643 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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.

Q: How severe is CVE-2026-58643?

CVE-2026-58643 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-58643?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows Admin Center.

Vulnerability 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.

CVSS Score

6.1

MEDIUM

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

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Microsoft	Windows Admin Center	>= 1809, < 2511

Related Weaknesses (CWE)

CWE-79

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58643PatchVendor Advisory

FAQ

What is CVE-2026-58643?

CVE-2026-58643 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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.

How severe is CVE-2026-58643?

CVE-2026-58643 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-58643?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows Admin Center.