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CVE-2025-27739

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
Microsoft	Windows 10 Version 1809	>= 10.0.17763.0, < 10.0.17763.7136
Microsoft	Windows 10 Version 21H2	>= 10.0.19044.0, < 10.0.19044.5737
Microsoft	Windows 10 Version 22H2	>= 10.0.19045.0, < 10.0.19045.5737
Microsoft	Windows 11 version 22H2	>= 10.0.22621.0, < 10.0.22621.5189
Microsoft	Windows 11 version 22H3	>= 10.0.22631.0, < 10.0.22631.5189
Microsoft	Windows 11 Version 23H2	>= 10.0.22631.0, < 10.0.22631.5189
Microsoft	Windows 11 Version 24H2	>= 10.0.26100.0, < 10.0.26100.3775
Microsoft	Windows Server 2019	>= 10.0.17763.0, < 10.0.17763.7136
Microsoft	Windows Server 2019 (Server Core installation)	>= 10.0.17763.0, < 10.0.17763.7136
Microsoft	Windows Server 2022	>= 10.0.20348.0, < 10.0.20348.3453
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	>= 10.0.25398.0, < 10.0.25398.1551
Microsoft	Windows Server 2025	>= 10.0.26100.0, < 10.0.26100.3775
Microsoft	Windows Server 2025 (Server Core installation)	>= 10.0.26100.0, < 10.0.26100.3775

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27739Vendor Advisory

Timeline

Published: Apr 8, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

Related CVEs from 2025

CVE-2025-277408.8Weak authentication in Windows Active Directory Certificate Services allows an authorized attacker to elevate privileges over a network.CVE-2025-277417.8Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.CVE-2025-277425.5Out-of-bounds read in Windows NTFS allows an unauthorized attacker to disclose information locally.CVE-2025-277437.8Untrusted search path in System Center allows an authorized attacker to elevate privileges locally.CVE-2025-277447.8Improper access control in Microsoft Office allows an authorized attacker to elevate privileges locally.CVE-2025-277457.8Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.CVE-2025-277467.8Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.CVE-2025-277477.8Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.CVE-2025-277487.8Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.CVE-2025-277497.8Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.CVE-2025-27757.5SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Checkin processing fu CVE-2025-277507.8Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2025-27739: High severity, CVSS 7.8 | Vulnix