Windows Backup Service Elevation of Privilege Vulnerability
CVE-2023-21752

7.1HIGH

Key Information:

Vendor
Microsoft
Status
Windows 10 Version 22h2
Windows 11 Version 22h2
Windows 10 Version 21h2
Windows 11 Version 21h2
Vendor
CVE Published:
10 January 2023

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability exists in the Windows Backup Service that allows an attacker to gain elevated privileges on an affected system. By exploiting this flaw, an unauthorized user could execute arbitrary code with elevated permissions, potentially compromising system integrity and security. It is crucial for users and administrators to apply the latest security updates provided by Microsoft to mitigate this risk and protect sensitive data.

Affected Version(s)

Windows 10 Version 1507 x64-based Systems 10.0.10240.0 < 10.0.10240.19685

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.5648

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.3887

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-2023-21752
Created by Wh04m1001

CVE-2023-21752
Created by yosef0x01

References

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

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
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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