OnlyPatch
Windows Libarchive

CVE-2024-20697 — Windows libarchive Remote Code Execution Vulnerability

Important CVSS 7.3 EPSS 0.72163 2024-01 archive

Executive Summary

None

Overview

7.3
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Remote Code Execution
Weakness CWE-122: Heap-based Buffer Overflow
Released Jan 9 2024
Last Updated Jan 9 2024
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.72163 — 0.99379 percentile
NVD CVSS 7.3 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/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
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.4

EPSS Score

0.72163
probability of exploitation in the next 30 days
0.99379 percentile - updated 2026-08-14
View on FIRST.org

Affected Products

5 affected products
Product KB Article Severity Impact Restart Required
Windows 11 Version 22H2 for ARM64-based Systems 5034123 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 22H2 for x64-based Systems 5034123 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 23H2 for ARM64-based Systems 5034123 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 23H2 for x64-based Systems 5034123 (Security Update) Important Remote Code Execution Yes
Windows Server 2022, 23H2 Edition (Server Core installation) 5034130 (Security Update) Important Remote Code Execution Yes

Patches

2 patches
Article Type Restart
5034123 Security Update Yes
5034130 Security Update Yes

Exploits & PoC

Detection Rules

Acknowledgments

Microsoft Offensive Research & Security Engineering with Microsoft

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