CVE-2023-21768

ENISA EUVD: EUVD-2023-25935 ↗
✓ Confirmed 0-Day ★ Google Project Zero
Triaged: March 5, 2026 1 article Published: 2023-01-10
VulnLookup ↗ NVD ↗ EUVD ↗ MITRE ↗ Advisory ↗ P0 Sheet ↗

EPSS Score

Source: FIRST.org · 2026-05-23
74.42%
probability
This CVE has a 74.42% probability of being exploited in the next 30 days.
0% Top 98.9th percentile of all CVEs 100%

CVSS v3.1

Source: VulnerabilityLookup (CIRCL)
7.8
HIGH
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Temporal
Exploit Code Maturity
Unproven
Remediation Level
Official Fix
Report Confidence
Confirmed
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Description

NVD
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Affected Products

Microsoft
Windows Server 2022
10.0.20348.0
Microsoft
Windows 11 version 21H2
10.0.0
Microsoft
Windows 11 version 22H2
10.0.22621.0

Attack Intelligence

Google Project Zero

Patched
March 14, 2023
Reported by
???
Root Cause Analysis
???

Exploits & PoC

chompie1337/Windows_LPE_AFD_CVE-2023-21768

LPE exploit for CVE-2023-21768

505 2023-07-10
SamuelTulach/nullmap

Using CVE-2023-21768 to manual map kernel mode driver

201 2023-03-10
Malwareman007/CVE-2023-21768

Windows_AFD_LPE_CVE-2023-21768

61 2023-08-27
cl4ym0re/cve-2023-21768-compiled

cve-2023-21768

27 2023-03-10
P4x1s/CVE-2023-21768-POC

CVE-2023-21768 Windows 11 22H2 系统本地提权 POC

23 2023-03-22
zoemurmure/CVE-2023-21768-AFD-for-WinSock-EoP-exploit
16 2023-04-21
xboxoneresearch/CVE-2023-21768-dotnet

C# / .NET version of CVE-2023-21768

14 2024-09-06
HKxiaoli/Windows_AFD_LPE_CVE-2023-21768

Windows 11 System Permission Elevation

4 2023-03-21
h1bAna/CVE-2023-21768
3 2023-04-05
Rosayxy/Recreate-cve-2023-21768

recreating exp for cve-2023-21768.

1 2023-10-02
IlanDudnik/CVE-2023-21768

Exploit implementation with IO Rings for CVE-2023-21768

1 2025-01-08
ldrx30/CVE-2023-21768

CVE-2023-21768 Proof of Concept

0 2024-04-07
radoi-teodor/CVE-2023-21768-DSE-Bypass
0 2025-08-28
Feede33/Windows-11-Exploit

https://github.com/chompie1337/Windows_LPE_AFD_CVE-2023-21768

0 2026-01-20
14 repos — triés par ⭐ Rechercher sur GitHub ↗

Signal Intelligence

Confidenceⓘ
95%
EPSS 74.42%
CVSS v3.1 7.8
Mentions 1
Last Seen Jan 10, 2023

CNA Information

CNA Assigner
microsoft
CNA Title
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Analyst Note

Auto-imported from Google Project Zero — confirmed zero-day by definition.

Triage Info

Decided atMar 05, 2026
Published DateJan 10, 2023