CVE-2022-38053
Microsoft Sharepoint Enterprise Server 2013 … 2016
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSummary
CVE-2022-38053 is a high-severity an unspecified weakness vulnerability in Microsoft Sharepoint Enterprise Server. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 0.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified map to SI-2 (Flaw Remediation) and AC-6 (Least Privilege) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
Microsoft SharePoint Server is affected by CVE-2022-38053, a remote code execution vulnerability disclosed on 2022-10-11. The flaw carries a CVSS 3.1 base score of 8.8 with the vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, indicating that an authenticated attacker can achieve full compromise of confidentiality, integrity, and availability over the network with low attack complexity.
An attacker who possesses low-privileged access to a SharePoint deployment can exploit the vulnerability to execute arbitrary code on the server without user interaction, resulting in complete takeover of the affected SharePoint instance and any data it processes.
Microsoft has published official guidance and patches for the issue through its Security Response Center at the referenced URLs, directing administrators to apply the relevant updates for supported SharePoint Server versions.
EPSS for the CVE rose from a low baseline to a peak of 0.5244 on 2025-12-11 before receding to the current value of 0.2852, indicating that exploitation interest increased well after initial disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-40659
Vulnerability Data
Microsoft SharePoint Server Remote Code Execution Vulnerability
- CWE(s)
Related Threats
Likely ATT&CK TechniquesAI
Techniques this vulnerability likely enables, inferred from its description, weakness type, and attributed-actor tradecraft. Confidence is per-technique.
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
Mitigating Controls (NIST 800-53 r5) AI
Directly requires timely installation of vendor patches that eliminate the SharePoint RCE flaw before exploitation.
Restricts the low-privileged authenticated accounts that the vulnerability requires for successful code execution.
Limits enabled SharePoint features and services that could be abused to reach the vulnerable code path.