CVE-2025-54894

Local Security Authority Subsystem Service Elevation of Privilege Vulnerability

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

Local Security Authority Subsystem Service Elevation of Privilege Vulnerability

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

None

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2025-07-31 CVE Reserved
2025-09-09 CVE Published
2026-02-20 CVE Updated
2026-05-15 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-122: Heap-based Buffer Overflow

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54894	2025-10-02

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"		Windows 10 1507 Search vendor "Microsoft" for product "Windows 10 1507"				< 10.0.10240.21128 Search vendor "Microsoft" for product "Windows 10 1507" and version " < 10.0.10240.21128"		x64		Affected
Microsoft Search vendor "Microsoft"		Windows 10 1507 Search vendor "Microsoft" for product "Windows 10 1507"				< 10.0.10240.21128 Search vendor "Microsoft" for product "Windows 10 1507" and version " < 10.0.10240.21128"		x86		Affected
Microsoft Search vendor "Microsoft"		Windows 10 1607 Search vendor "Microsoft" for product "Windows 10 1607"				< 10.0.14393.8422 Search vendor "Microsoft" for product "Windows 10 1607" and version " < 10.0.14393.8422"		x64		Affected
Microsoft Search vendor "Microsoft"		Windows 10 1607 Search vendor "Microsoft" for product "Windows 10 1607"				< 10.0.14393.8422 Search vendor "Microsoft" for product "Windows 10 1607" and version " < 10.0.14393.8422"		x86		Affected
Microsoft Search vendor "Microsoft"		Windows 10 1809 Search vendor "Microsoft" for product "Windows 10 1809"				< 10.0.17763.7792 Search vendor "Microsoft" for product "Windows 10 1809" and version " < 10.0.17763.7792"		x64		Affected
Microsoft Search vendor "Microsoft"		Windows 10 1809 Search vendor "Microsoft" for product "Windows 10 1809"				< 10.0.17763.7792 Search vendor "Microsoft" for product "Windows 10 1809" and version " < 10.0.17763.7792"		x86		Affected
Microsoft Search vendor "Microsoft"		Windows 10 21h2 Search vendor "Microsoft" for product "Windows 10 21h2"				< 10.0.19044.6332 Search vendor "Microsoft" for product "Windows 10 21h2" and version " < 10.0.19044.6332"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 22h2 Search vendor "Microsoft" for product "Windows 10 22h2"				< 10.0.19045.6332 Search vendor "Microsoft" for product "Windows 10 22h2" and version " < 10.0.19045.6332"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 11 22h2 Search vendor "Microsoft" for product "Windows 11 22h2"				< 10.0.22621.5909 Search vendor "Microsoft" for product "Windows 11 22h2" and version " < 10.0.22621.5909"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 11 23h2 Search vendor "Microsoft" for product "Windows 11 23h2"				< 10.0.22631.5909 Search vendor "Microsoft" for product "Windows 11 23h2" and version " < 10.0.22631.5909"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 11 24h2 Search vendor "Microsoft" for product "Windows 11 24h2"				< 10.0.26100.6508 Search vendor "Microsoft" for product "Windows 11 24h2" and version " < 10.0.26100.6508"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				-		sp2, x64		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				-		sp2, x86		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2"		sp1, x64		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012"				-		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012"				r2 Search vendor "Microsoft" for product "Windows Server 2012" and version "r2"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2016 Search vendor "Microsoft" for product "Windows Server 2016"				< 10.0.14393.8422 Search vendor "Microsoft" for product "Windows Server 2016" and version " < 10.0.14393.8422"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2019 Search vendor "Microsoft" for product "Windows Server 2019"				< 10.0.17763.7792 Search vendor "Microsoft" for product "Windows Server 2019" and version " < 10.0.17763.7792"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2022 Search vendor "Microsoft" for product "Windows Server 2022"				< 10.0.20348.4106 Search vendor "Microsoft" for product "Windows Server 2022" and version " < 10.0.20348.4106"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2022 23h2 Search vendor "Microsoft" for product "Windows Server 2022 23h2"				< 10.0.25398.1849 Search vendor "Microsoft" for product "Windows Server 2022 23h2" and version " < 10.0.25398.1849"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2025 Search vendor "Microsoft" for product "Windows Server 2025"				< 10.0.26100.6508 Search vendor "Microsoft" for product "Windows Server 2025" and version " < 10.0.26100.6508"		-		Affected