Security readout for executives and security teams
Plain-English summary
CVE-2022-44690 is a high-severity remote code execution vulnerability in Microsoft SharePoint Server. A low-privileged authenticated attacker may be enough to trigger it, according to the CVSS vector. The supplied sources confirm Microsoft has published vendor guidance, but they do not describe public exploitation.
Executive priority
Treat this as a priority SharePoint patching item, particularly for externally reachable or high-value collaboration environments. It is high impact, but the supplied evidence does not support emergency active-exploitation language.
Technical view
The CVSS 3.1 score is 8.8: network attack vector, low complexity, low privileges required, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact. Affected products include SharePoint 2013 SP1/Foundation, Enterprise Server 2016, Server 2019, and Subscription Edition. No CWE detail is supplied.
Likely exposure
Exposure is most likely in organizations running affected on-premises SharePoint versions, especially internet-facing or broadly accessible farms. The issue requires low privileges, so authenticated user access still matters.
Exploitation context
The source bundle marks KEV as false and CVSS exploit maturity as unproven. Based on the supplied evidence, active exploitation is not confirmed. The bundle does not provide exploit details, affected components, or prerequisites beyond CVSS.
Researcher notes
The public bundle is sparse: Microsoft identifies RCE and affected products, while CVSS indicates authenticated network exploitation with high impact. No CWE, exploit path, proof-of-concept status, or detailed mitigation is included here.
Mitigation direction
- Review Microsoft MSRC guidance for CVE-2022-44690 and apply the listed SharePoint security updates.
- Prioritize affected, externally reachable, or business-critical SharePoint farms for update validation.
- Confirm legacy SharePoint 2013 and 2016 deployments have a vendor-supported remediation plan.
- Monitor Microsoft guidance for revised affected-version or remediation details.
Validation and detection
- Inventory SharePoint 2013 SP1, Foundation 2013 SP1, Enterprise 2016, Server 2019, and Subscription Edition.
- Compare installed build and patch level against Microsoft’s CVE-2022-44690 advisory.
- Identify whether SharePoint is exposed to untrusted networks or limited to internal authenticated users.
- Record compensating controls as risk context, not as replacement for vendor updates.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-44690 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: 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
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: 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
Source materials
- CVE List V5 sourceCVE List V5
- Microsoft SharePoint Server Remote Code Execution VulnerabilityCVE reference · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.