7.0
High
CVE-2026-77899 Use after free in Windows Security Center allows an authorized attacker to elevate privileges locally
Description
Use after free in Windows Security Center allows an authorized attacker to elevate privileges locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 11 Version 24H2 10.0 | 10.0.26100.0 → < 10.0.26100.9445 | 10.0.26100.9445 |
| Windows 11 Version 25H2 10.0 | 10.0.26200.0 → < 10.0.26200.9445 | 10.0.26200.9445 |
| Windows 11 version 26H1 10.0 | 10.0.28000.0 → < 10.0.28000.2954 | 10.0.28000.2954 |
| Windows Server 2012 6.2 | 6.2.9200.0 → < 6.2.9200.26349 | 6.2.9200.26349 |
| Windows Server 2012 (Server Core installation) 6.2 | 6.2.9200.0 → < 6.2.9200.26349 | 6.2.9200.26349 |
Other CVEs of Windows 11 Version 24H2
The 3573 CVEs of Windows 11 Version 24H2 →
CVE-2026-108134
Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally
7.0
High
CVE-2026-108463
Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security…
8.8
High
CVE-2026-105016
Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network
9.8
Critical
CVE-2026-108136
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally
7.8
High