Important CVSS 6.5 EPSS 0.01603 2023-08 archive

Executive Summary

None

Overview

6.5
CVSS MEDIUM
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 0.01603 — 0.72671 percentile
NVD CVSS 6.5 MEDIUM — differs from MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
None
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.3

EPSS Score

0.01603
probability of exploitation in the next 30 days
0.72671 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

12 affected products
Product KB Article Severity Impact Restart Required
Microsoft 365 Apps for Enterprise for 32-bit Systems Click to Run (Security Update) Important Spoofing No
Microsoft 365 Apps for Enterprise for 64-bit Systems Click to Run (Security Update) Important Spoofing No
Microsoft Office 2019 for 32-bit editions Click to Run (Security Update) Important Spoofing No
Microsoft Office 2019 for 64-bit editions Click to Run (Security Update) Important Spoofing No
Microsoft Office LTSC 2021 for 32-bit editions Click to Run (Security Update) Important Spoofing No
Microsoft Office LTSC 2021 for 64-bit editions Click to Run (Security Update) Important Spoofing No
Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) Release Notes (Security Update) Important Spoofing Maybe
Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10) Release Notes (Security Update) Important Spoofing Maybe
Microsoft Visual Studio 2022 version 17.2 Release Notes (Security Update) Important Spoofing Maybe
Microsoft Visual Studio 2022 version 17.4 Release Notes (Security Update) Important Spoofing Maybe
Microsoft Visual Studio 2022 version 17.6 Release Notes (Security Update) Important Spoofing Maybe
Visual Studio 2010 Tools for Office Runtime 5029497 (Security Update) Important Spoofing Maybe

Patches

3 patches
Article Type Restart
Click to Run Security Update No
Release Notes Security Update Maybe
5029497 Security Update Maybe

Known Exploits

Acknowledgments

Bill Demirkapi with Microsoft