CVE-2023-21674

Microsoft Windows Advanced Local Procedure Call (ALPC) Privilege Escalation Vulnerability

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

Act

*SSVC

Descriptions

Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

Vulnerabilidad de elevación de privilegios de llamada a procedimiento local avanzado (ALPC) de Windows.

Microsoft Windows Advanced Local Procedure Call (ALPC) contains an unspecified vulnerability that allows for privilege escalation.

*Credits: N/A

CVSS Scores

Microsoftv3.1 8.8

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Act

Exploitation

Active

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2022-12-13 CVE Reserved
2023-01-10 CVE Published
2023-01-10 Exploited in Wild
2023-01-31 KEV Due Date
2024-04-05 First Exploit
2024-08-02 CVE Updated
2024-10-29 EPSS Updated

CWE

CWE-416: Use After Free

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://github.com/hd3s5aa/CVE-2023-21674	2024-04-05

URL	Date	SRC
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674	2024-06-28

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"				< 10.0.10240.19685 Search vendor "Microsoft" for product "Windows 10 1507" and version " < 10.0.10240.19685"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 1607 Search vendor "Microsoft" for product "Windows 10 1607"				< 10.0.14393.5648 Search vendor "Microsoft" for product "Windows 10 1607" and version " < 10.0.14393.5648"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 1809 Search vendor "Microsoft" for product "Windows 10 1809"				< 10.0.17763.3887 Search vendor "Microsoft" for product "Windows 10 1809" and version " < 10.0.17763.3887"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 20h2 Search vendor "Microsoft" for product "Windows 10 20h2"				< 10.0.19042.2486 Search vendor "Microsoft" for product "Windows 10 20h2" and version " < 10.0.19042.2486"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 21h2 Search vendor "Microsoft" for product "Windows 10 21h2"				< 10.0.19044.2486 Search vendor "Microsoft" for product "Windows 10 21h2" and version " < 10.0.19044.2486"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 10 22h2 Search vendor "Microsoft" for product "Windows 10 22h2"				< 10.0.19045.2486 Search vendor "Microsoft" for product "Windows 10 22h2" and version " < 10.0.19045.2486"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 11 21h2 Search vendor "Microsoft" for product "Windows 11 21h2"				< 10.0.22000.1455 Search vendor "Microsoft" for product "Windows 11 21h2" and version " < 10.0.22000.1455"		-		Affected
Microsoft Search vendor "Microsoft"		Windows 11 22h2 Search vendor "Microsoft" for product "Windows 11 22h2"				< 10.0.22621.1105 Search vendor "Microsoft" for product "Windows 11 22h2" and version " < 10.0.22621.1105"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Rt 8.1 Search vendor "Microsoft" for product "Windows Rt 8.1"				-		-		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"				< 10.0.14393.5648 Search vendor "Microsoft" for product "Windows Server 2016" and version " < 10.0.14393.5648"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2019 Search vendor "Microsoft" for product "Windows Server 2019"				< 10.0.17763.3887 Search vendor "Microsoft" for product "Windows Server 2019" and version " < 10.0.17763.3887"		-		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2022 Search vendor "Microsoft" for product "Windows Server 2022"				< 10.0.20348.1487 Search vendor "Microsoft" for product "Windows Server 2022" and version " < 10.0.20348.1487"		-		Affected