Description
Windows Kernel Information Disclosure Vulnerability
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.0 – < 10.0.17763.1999 | 10.0.17763.1999 |
| Microsoft | Windows Server 2019 | 10.0.0 – < 10.0.17763.1999 | 10.0.17763.1999 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.0 – < 10.0.17763.1999 | 10.0.17763.1999 |
| Microsoft | Windows 10 Version 1909 | 10.0.0 – < 10.0.18363.1621 | 10.0.18363.1621 |
| Microsoft | Windows 10 Version 21H1 | 10.0.0 – < 10.0.19043.1052 | 10.0.19043.1052 |
| Microsoft | Windows 10 Version 2004 | 10.0.0 – < 10.0.19041.1052 | 10.0.19041.1052 |
| Microsoft | Windows Server version 2004 | 10.0.0 – < 10.0.19041.1052 | 10.0.19041.1052 |
| Microsoft | Windows 10 Version 20H2 | 10.0.0 – < 10.0.19042.1052 | 10.0.19042.1052 |
| Microsoft | Windows Server version 20H2 | 10.0.0 – < 10.0.19042.1052 | 10.0.19042.1052 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 2 repositories
-
freeide/CVE-2021-31955-POC ★ 12 · Jun 26, 2021
-
ApexPredator-InfoSec/forti_shield ★ 2 · Oct 29, 2025
A combined POC for CVE-2021-31955, CVE-2015-4077, and CVE-2015-5736
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.