CVE-2026-69968

Analyzed Analyzed - Analysis Complete

Relative Path Traversal in Windows Libarchive

Publication date: 2026-10-13

Last updated on: 2026-10-26

Assigner: Microsoft Corporation

Description

Relative path traversal in Windows Libarchive allows an unauthorized attacker to perform tampering over a network.

CVSS Scores

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Meta Information

Published

2026-10-13

Last Modified

2026-10-26

Generated

2026-11-08

AI Q&A

2026-10-14

EPSS Evaluated

2026-11-07

NVD

CVE-2026-69968

EUVD

EUVD-2026-99122

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_10_1809	to 10.0.17763.9376 (exc)
microsoft	windows_10_1809	to 10.0.17763.9376 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7652 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7652 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9711 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9711 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9711 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9711 (exc)
microsoft	windows_11_26h1	to 10.0.28000.3231 (exc)
microsoft	windows_11_26h1	to 10.0.28000.3231 (exc)
microsoft	windows_11_26h2	to 10.0.26300.9711 (exc)
microsoft	windows_11_26h2	to 10.0.26300.9711 (exc)
microsoft	windows_server_2019	to 10.0.17763.9376 (exc)
microsoft	windows_server_2025	to 10.0.26100.33650 (exc)
microsoft	windows_server_2022	to 10.0.20348.5761 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-23	The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.

Attack-Flow Graph

Executive Summary

This vulnerability is a relative path traversal issue in Windows Libarchive. It allows an unauthorized attacker to perform tampering over a network by manipulating file paths.

Impact Analysis

An attacker could modify files or data on your system without authorization. This could lead to data corruption, unauthorized changes, or other malicious activities depending on the attacker's goals.

Compliance Impact

This vulnerability allows unauthorized tampering via relative path traversal, which could lead to unauthorized data modification. This may impact compliance with GDPR (data integrity requirements) and HIPAA (integrity and availability of protected health information).

Mitigation Strategies

Apply the latest security updates from Microsoft to address the relative path traversal vulnerability in Windows Libarchive. Monitor Microsoft's update guide for patches and install them promptly.

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