CVE-2022-26937
Windows Network File System Remote Code Execution Vulnerability
Windows Network File System Remote Code Execution Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Windows Network File System Remote Code Execution Vulnerability
Windows Network File System Remote Code Execution Vulnerability
- Record
CVE-2022-26937- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2022-31482
Windows Network File System Remote Code Execution Vulnerability
- Record
EUVD-2022-31482- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-982c-jgv5-r7gp
Windows Network File System Remote Code Execution Vulnerability.
Windows Network File System Remote Code Execution Vulnerability.
- Record
GHSA-982c-jgv5-r7gp- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
Windows Network File System Remote Code Execution Vulnerability
- Record
CVE-2022-26937- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
Affected products
- microsoft windows server 2008 service pack 2
- microsoft windows server 2008 r2 service pack 1
- microsoft windows server 2008 r2 service pack 1 (server core installation)
- microsoft windows server 2008 service pack 2
- microsoft windows server 2008 service pack 2 (server core installation)
- microsoft windows server 2012
- microsoft windows server 2012 (server core installation)
- microsoft windows server 2012 r2
- microsoft windows server 2012 r2 (server core installation)
- microsoft windows server 2016
- microsoft windows server 2016 (server core installation)
- microsoft windows server 2019
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Malwareman007/CVE-2022-26937 | 2022-10-07 |
| PoC in GitHub | corelight/CVE-2022-26937 | 2022-05-11 |
| PoC in GitHub | omair2084/CVE-2022-26937 | 2022-06-17 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-26937 is a critical vulnerability (CVSS 9.8) in Microsoft Windows Server 2008 Service Pack 2, published May 10, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 76.0%, the 99th percentile. No source names a fixed version.