Important CVSS 8 EPSS 0.01765 2023-08 archive

Executive Summary

None

Overview

8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Spoofing
Released Aug 8 2023
Last Updated Aug 8 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.01765 — 0.75156 percentile
NVD CVSS 8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/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
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.0

EPSS Score

0.01765
probability of exploitation in the next 30 days
0.75156 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

1 affected product
Product KB Article Severity Impact Restart Required
Microsoft SharePoint Server 2019 5002436 (Security Update) 5002422 (Security Update) Important Spoofing 5002423 5002403 Base: 8.0 Temporal: 7.0 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 16.0.10401.20025 Maybe 5002436 5002422 Microsoft SharePoint Server Subscription Edition 5002437 (Security Update) Important Spoofing Maybe

Patches

1 patch
Article Type Restart
5002437 Security Update Maybe

Known Exploits

Acknowledgments

Felix Boulet