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Microsoft Office SharePoint

CVE-2022-44693 — Microsoft SharePoint Server Remote Code Execution Vulnerability

Critical CVSS 8.8 EPSS 0.01941 2022-12 archive

Executive Summary

None

Overview

8.8
CVSS HIGH
Critical
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Remote Code Execution
Released Dec 13 2022
Last Updated Dec 13 2022
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.01941 — 0.7751 percentile
NVD CVSS 8.8 HIGH — matches MSRC

CVSS 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
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.7

EPSS Score

0.01941
probability of exploitation in the next 30 days
0.7751 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

4 affected products
Product KB Article Severity Impact Restart Required
Microsoft SharePoint Enterprise Server 2013 Service Pack 1 5002317 (Cumulative Update) 5002319 (Security Update) Critical Remote Code Execution 5002303 Base: 8.8 Temporal: 7.7 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 5511.1000 Maybe 5002319 Microsoft SharePoint Enterprise Server 2016 5002321 (Security Update) Critical Remote Code Execution Maybe
Microsoft SharePoint Foundation 2013 Service Pack 1 5002319 (Security Update) Critical Remote Code Execution Maybe
Microsoft SharePoint Server 2019 5002311 (Security Update) Critical Remote Code Execution Maybe
Microsoft SharePoint Server Subscription Edition 5002327 (Security Update) Critical Remote Code Execution Maybe

Patches

4 patches
Article Type Restart
5002321 Security Update Maybe
5002319 Security Update Maybe
5002311 Security Update Maybe
5002327 Security Update Maybe

Known Exploits

Acknowledgments

Anonymous, Q5Ca

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