Important CVSS 6.5 EPSS 0.99879 2025-07 archive

Executive Summary

Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

Overview

6.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Spoofing
Released Jul 8 2025
Last Updated Jul 8 2025
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.99879 — 0.99962 percentile
NVD CVSS 6.5 MEDIUM — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:F/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
Low
INTEGRITY
Low
AVAILABILITY
None
EXPLOIT CODE MATURITY
Functional
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.0

EPSS Score

0.99879
probability of exploitation in the next 30 days
0.99962 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

3 affected products
Product KB Article Severity Impact Restart Required
Microsoft SharePoint Enterprise Server 2016 5002744 (Security Update) Important Spoofing Maybe
Microsoft SharePoint Server 2019 5002741 (Security Update) Important Spoofing Maybe
Microsoft SharePoint Server Subscription Edition 5002751 (Security Update) Important Spoofing Maybe

Patches

3 patches
Article Type Restart
5002744 Security Update Maybe
5002741 Security Update Maybe
5002751 Security Update Maybe

Known Exploits

Acknowledgments

Viettel Cyber Security with Trend Zero Day Initiative