CVE-2025-26678
Improper access control in Windows Defender Application Control (WDAC) allows an unauthorized attacker to bypass a security feature locally.
Scoring
- Severity
- HIGH
- CVSS base score
- 8.4
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- EPSS probability
- 0.53%
- CWE
- CWE-284
- Published
- 2025-04-08
- Last modified
- 2026-08-10
Affected products
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 version 22H2
- Microsoft Windows 11 version 22H3
- Microsoft Windows 11 Version 23H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows Server 2019
Weakness type
Related vulnerabilities
- CVE-2026-65182 — Apache Tomcat: Bypass longest prefix security constraint
- CVE-2026-76607 — Joomla Extension - fabrikar.com - Missing ACL check in download element in Fabrik < 4.7.2
- CVE-2026-54745 — Kubeflow Pipelines: Unauthenticated SSRF and HTTP smuggling in Kubeflow Pipelines frontend /_proxy/ route, bypasses ENABLE_AUTHZ=true
- CVE-2026-20315 — Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Access Control Vulnerabilities
- CVE-2026-20192 — Cisco Identity Services Engine Hardening Release - Access Control Vulnerabilities
- CVE-2026-77553 — A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability f
- CVE-2026-77536 — A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability f
- CVE-2026-77534 — A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability f