CVE-2023-21742
Microsoft SharePoint Server Remote Code Execution Vulnerability
Microsoft SharePoint Server Remote Code Execution Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.8
Microsoft SharePoint Server Remote Code Execution Vulnerability
Microsoft SharePoint Server Remote Code Execution Vulnerability
- Record
CVE-2023-21742- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2023-25909
8.8
Microsoft SharePoint Server Remote Code Execution Vulnerability
- Record
EUVD-2023-25909- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rmqv-47pf-3wr7
8.8
Microsoft SharePoint Server Remote Code Execution Vulnerability. This CVE ID is unique from CVE...
Microsoft SharePoint Server Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2023-21744.
- Record
GHSA-rmqv-47pf-3wr7- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
8.8
Microsoft SharePoint Server Remote Code Execution Vulnerability
- Record
CVE-2023-21742- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | ohnonoyesyes/CVE-2023-21742 | 2023-04-07 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21742 is a high vulnerability (CVSS 8.8) in Microsoft Sharepoint Server, published January 10, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 55.8%, the 99th percentile. No source names a fixed version.