Win32k Elevation of Privilege Vulnerability
CVE-2023-41772

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (server Core Installation)
Windows Server 2022
Vendor
CVE Published:
10 October 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 19%

What is CVE-2023-41772?

The Win32k elevation of privilege vulnerability allows attackers to exploit the behavior of Win32k, which can enable them to execute arbitrary code with elevated privileges on affected Microsoft Windows systems. Successful exploitation may permit the attacker to use the system with elevated permissions, potentially compromising sensitive data or altering system settings. Users should apply the recommended security updates from Microsoft to mitigate risk.

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Affected Version(s)

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.4974

Windows 10 Version 1809 ARM64-based Systems 10.0.0 < 10.0.17763.4974

Windows 10 Version 21H2 32-bit Systems 10.0.19043.0 < 10.0.19041.3570

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-41772
Created by R41N3RZUF477

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

EPSS Score

19% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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