What is the CVSS score of EUVD-2026-22577?

EUVD-2026-22577 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Is there a patch available for EUVD-2026-22577?

Yes, a patch is available for EUVD-2026-22577. Update the affected software to the latest version immediately.

Microsoft EUVD-2026-22577

| CVE-2026-32196 MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-04-14 microsoft

GHSA-fjm5-xhfc-2828

XSS Microsoft

6.1

CVSS 3.1 · NVD

Temporal: 5.3

Severity by source

NVD PRIMARY

6.1 MEDIUM

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

CIRCL (temporal)

5.3 MEDIUM

cvss

Primary rating from NVD.

CVSS VectorNVD

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

Lifecycle Timeline

Analysis Generated

Apr 14, 2026 - 19:43 vuln.today

EUVD ID Assigned

Apr 14, 2026 - 17:46 euvd

EUVD-2026-22577

Analysis Generated

Apr 14, 2026 - 17:46 vuln.today

Patch released

Apr 14, 2026 - 17:46 nvd

Patch available

CVE Published

Apr 14, 2026 - 16:58 nvd

MEDIUM 6.1

DescriptionCVE.org

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.

AnalysisAI

Stored cross-site scripting (XSS) in Windows Admin Center before version 2.6.5.16 allows unauthenticated remote attackers to inject malicious scripts that execute in the browsers of other users, enabling account spoofing and data theft. The vulnerability requires user interaction (clicking a malicious link) but has network-wide scope, affecting all users of the Admin Center instance. Microsoft has released a patched version; exploitation is currently limited to scenarios where attackers can socially engineer clicks on crafted URLs.

Technical ContextAI

Windows Admin Center is a browser-based management platform for Windows Server infrastructure. The vulnerability stems from improper input sanitization during HTML generation (CWE-79), allowing attackers to bypass XSS protections by injecting JavaScript payloads through unvalidated parameters. The affected versions (Windows Admin Center 1809.0 through 2.6.5.15) fail to properly encode user-controlled input before rendering it in web responses. This is a classic reflected or stored XSS flaw where attacker-supplied data reaches the DOM without adequate HTML entity encoding or Content Security Policy enforcement. The network-accessible nature of Admin Center (typically exposed for remote server management) and its privileged user base make this a valuable XSS target.

RemediationAI

Upgrade Windows Admin Center to version 2.6.5.16 or later, which includes the XSS input sanitization fix. This is the primary remediation and is the only vendor-supported path forward. For environments unable to patch immediately, implement network-level controls: restrict Admin Center access to trusted networks using firewall rules or VPN, enforce multi-factor authentication to reduce account compromise impact from successful XSS exploitation, and educate users to avoid clicking suspicious links pointing to the Admin Center URL. Microsoft's security advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32196 provides patch availability confirmation and additional mitigation context. Verify the patch installation and restart the Admin Center service to ensure the fix is active.