Cyber Resilience

CVE-2026-35438

High

Published: 12 May 2026

Published
12 May 2026
Modified
28 May 2026
KEV Added
Patch
CVSS Score v3.1 8.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
EPSS Score 0.0056 42.3th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-35438 is a high-severity Missing Authorization (CWE-862) vulnerability in Microsoft Windows Admin Center. Its CVSS base score is 8.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 42.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

Missing authorization in Windows Admin Center allows an authorized attacker to elevate privileges over a network.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
Why these techniques?

Missing authorization directly enables local/network privilege escalation (T1068) by an authenticated attacker against Windows Admin Center.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-26119Same product: Microsoft Windows Admin Center
CVE-2026-23660Same product: Microsoft Windows Admin Center
CVE-2026-41086Same product: Microsoft Windows Admin Center
CVE-2026-42834Same product: Microsoft Windows Admin Center
CVE-2026-20965Same product: Microsoft Windows Admin Center
CVE-2025-49723Same vendor: Microsoft
CVE-2025-21396Same vendor: Microsoft
CVE-2025-49747Same vendor: Microsoft
CVE-2026-8547Same vendor: Microsoft
CVE-2026-20853Same vendor: Microsoft

Affected Assets

microsoft
windows admin center
≤ 2511

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-862

Requiring an access control policy ensures authorization checks are defined and applied for critical functions.

addresses: CWE-862

Reviews of access controls detect missing authorization checks on critical functions or resources.

addresses: CWE-862

Documenting permitted unauthenticated actions prevents missing authorization by making all exceptions explicit and subject to organizational review.

addresses: CWE-862

Requiring attribute association with information prevents authorization from being performed without necessary security or privacy context.

addresses: CWE-862

Mandating authorization prior to allowing remote connections addresses missing authorization for remote access.

addresses: CWE-862

Mandating authorization before wireless connections are allowed prevents missing authorization for wireless access.

addresses: CWE-862

The control requires authorization before allowing mobile device connections, directly mitigating missing authorization for system access.

addresses: CWE-862

Requiring approvals for account creation and specifying authorizations ensures authorization is not missing for system access.

References