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CVE-2025-55693: windows 11 24h2 before 10.0.26100.6899 (exclusive); +6 more affected products
CVE-2025-55693. CVSS 3.1 base score 7.0 (HIGH, NVD). EPSS 0.0202 (percentile 0.80617), scored 17-Oct-2026.
Affected technology
windows 11 24h2 · before 10.0.26100.6899 (exclusive)
microsoft
windows 11 25h2 · before 10.0.26200.6899 (exclusive)
microsoft
windows server 2025 · before 10.0.26100.6899 (exclusive)
microsoft
Windows 11 Version 24H2 · 10.0.26100.0 to before 10.0.26100.6899
Microsoft
Windows 11 Version 25H2 · 10.0.26200.0 to before 10.0.26200.6899
Microsoft
Windows Server 2025 · 10.0.26100.0 to before 10.0.26100.6899
Microsoft
Windows Server 2025 (Server Core installation) · 10.0.26100.0 to before 10.0.26100.6899
Microsoft
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Local · No privileges required · No user interaction required
Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
The source says use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally. Vendor/CNA’s CVSS 3.1 assessment (base score 7.4/10) rates confidentiality, integrity and availability impact as high. NVD’s CVSS 3.1 assessment (base score 7.0/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-416
- CCR priority
- 28.5 /100 (P4)
- CVSS 3.1
- 7.0 /10 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H · NVD
- EPSS
- 0.0202 · percentile 0.80617 · 2026-10-17
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-18 22:50:08.248207+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-55693.html