OnlyFm252
Windows Update Stack

CVE-2024-38163 — Windows Update Stack Elevation of Privilege Vulnerability

Important CVSS 7.8 EPSS 0.00651 2024-08 archive

Executive Summary

None

Overview

7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
More Likely
MS Exploit Likelihood
Category Elevation of Privilege
Released Aug 13 2024
Last Updated Aug 13 2024
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00651 — 0.46316 percentile
NVD CVSS 7.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Local
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: 6.8

EPSS Score

0.00651
probability of exploitation in the next 30 days
0.46316 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

6 affected products
Product KB Article Severity Impact Restart Required
Windows 10 Version 21H2 for 32-bit Systems 5042320 (Security Update) Important Elevation of Privilege Maybe
Windows 10 Version 21H2 for x64-based Systems 5042320 (Security Update) Important Elevation of Privilege Maybe
Windows 10 Version 22H2 for 32-bit Systems 5042320 (Security Update) Important Elevation of Privilege Maybe
Windows 10 Version 22H2 for x64-based Systems 5042320 (Security Update) Important Elevation of Privilege Maybe
Windows 11 version 21H2 for x64-based Systems 5042321 (Security Update) Important Elevation of Privilege Maybe
Windows Server 2022 5042322 (Security Update) Important Elevation of Privilege Maybe

Patches

3 patches
Article Type Restart
5042320 Security Update Maybe
5042321 Security Update Maybe
5042322 Security Update Maybe

Known Exploits

Acknowledgments

Ilan Kotler, Sandro Poppi, Nicholas Zubrisky (@NZubrisky) of Trend Micro Zero Day Initiative

On This Page