CVE-2026-88162

CVE.org · Published

Record status: Published
Identifier year (not publication year): 2026
Source publication: Oct 13, 2026
Source updated: Oct 23, 2026
Imported by cveboard: Oct 24, 2026
Source snapshot: cve_2026-10-24_midnight_baseline · Oct 24, 2026

CNA source text (English)

Windows Encrypting File System (EFS) Tampering Vulnerability

Improper authorization in Windows Encrypting File System (EFS) allows an authorized attacker to perform tampering locally.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

Windows 10 Version 1607

Vendor: Microsoft
Product: Windows 10 Version 1607
Platforms: 32-bit Systems
x64-based Systems
Default status: Unknown

Windows 10 Version 1607 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.14393.0	`affected`	custom	10.0.14393.9612	Unavailable	None listed

Windows 10 Version 1809

Vendor: Microsoft
Product: Windows 10 Version 1809
Platforms: 32-bit Systems
x64-based Systems
Default status: Unknown

Windows 10 Version 1809 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.17763.0	`affected`	custom	10.0.17763.9376	Unavailable	None listed

Windows 10 Version 21H2

Vendor: Microsoft
Product: Windows 10 Version 21H2
Platforms: 32-bit Systems
ARM64-based Systems
x64-based Systems
Default status: Unknown

Windows 10 Version 21H2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.19044.0	`affected`	custom	10.0.19044.7807	Unavailable	None listed

Windows 10 Version 22H2

Vendor: Microsoft
Product: Windows 10 Version 22H2
Platforms: 32-bit Systems
ARM64-based Systems
x64-based Systems
Default status: Unknown

Windows 10 Version 22H2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.19045.0	`affected`	custom	10.0.19045.7807	Unavailable	None listed

Windows 11 version 23H2

Vendor: Microsoft
Product: Windows 11 version 23H2
Platforms: ARM64-based Systems
Default status: Unknown

Windows 11 version 23H2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.22631.0	`affected`	custom	10.0.22631.7652	Unavailable	None listed

Windows 11 Version 23H2

Vendor: Microsoft
Product: Windows 11 Version 23H2
Platforms: x64-based Systems
Default status: Unknown

Windows 11 Version 23H2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.22631.0	`affected`	custom	10.0.22631.7652	Unavailable	None listed

Windows 11 Version 24H2

Vendor: Microsoft
Product: Windows 11 Version 24H2
Platforms: ARM64-based Systems
x64-based Systems
Default status: Unknown

Windows 11 Version 24H2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.26100.0	`affected`	custom	10.0.26100.9711	Unavailable	None listed

Windows 11 Version 25H2

Vendor: Microsoft
Product: Windows 11 Version 25H2
Platforms: ARM64-based Systems
x64-based Systems
Default status: Unknown

Windows 11 Version 25H2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.26200.0	`affected`	custom	10.0.26200.9711	Unavailable	None listed

Windows 11 version 26H1

Vendor: Microsoft
Product: Windows 11 version 26H1
Platforms: ARM64-based Systems
x64-based Systems
Default status: Unknown

Windows 11 version 26H1 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.28000.0	`affected`	custom	10.0.28000.3231	Unavailable	None listed

Windows 11 Version 26H2

Vendor: Microsoft
Product: Windows 11 Version 26H2
Platforms: ARM64-based Systems
x64-based Systems
Default status: Unknown

Windows 11 Version 26H2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.26300.0	`affected`	custom	10.0.26300.9711	Unavailable	None listed

Windows Server 2016

Vendor: Microsoft
Product: Windows Server 2016
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2016 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.14393.0	`affected`	custom	10.0.14393.9612	Unavailable	None listed

Windows Server 2016 (Server Core installation)

Vendor: Microsoft
Product: Windows Server 2016 (Server Core installation)
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2016 (Server Core installation) · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.14393.0	`affected`	custom	10.0.14393.9612	Unavailable	None listed

Windows Server 2019

Vendor: Microsoft
Product: Windows Server 2019
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2019 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.17763.0	`affected`	custom	10.0.17763.9376	Unavailable	None listed

Windows Server 2019 (Server Core installation)

Vendor: Microsoft
Product: Windows Server 2019 (Server Core installation)
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2019 (Server Core installation) · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.17763.0	`affected`	custom	10.0.17763.9376	Unavailable	None listed

Windows Server 2022

Vendor: Microsoft
Product: Windows Server 2022
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2022 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.20348.0	`affected`	custom	10.0.20348.5761	Unavailable	None listed

Windows Server 2025

Vendor: Microsoft
Product: Windows Server 2025
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2025 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.26100.0	`affected`	custom	10.0.26100.33650	Unavailable	None listed

Windows Server 2025 (Server Core installation)

Vendor: Microsoft
Product: Windows Server 2025 (Server Core installation)
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2025 (Server Core installation) · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.26100.0	`affected`	custom	10.0.26100.33650	Unavailable	None listed