Important CVSS 8.8 EPSS 0.17948 2026-01 archive

Executive Summary

Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Overview

8.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Exploitation Unlikely
MS Exploit Likelihood
Category Remote Code Execution
Released Jan 13 2026
Last Updated Jan 13 2026
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.17948 — 0.96808 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

0.17948
probability of exploitation in the next 30 days
0.96808 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

1 affected product
Product KB Article Severity Impact Restart Required
Microsoft SharePoint Enterprise Server 2016 5002828 (Security Update) 5002827 (Security Update) Important Remote Code Execution 5002821 5002804 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 16.0.5535.1001 16.0.5535.1000 Maybe None Microsoft SharePoint Server 2019 5002825 (Security Update) 5002823 (Security Update) Important Remote Code Execution 5002816 5002802 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 16.0.10417.20083 Maybe None Microsoft SharePoint Server Subscription Edition 5002822 (Security Update) Important Remote Code Execution Maybe

Patches

1 patch
Article Type Restart
5002822 Security Update Maybe

Known Exploits

Acknowledgments

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