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CVE-2026-29518 Rsync < 3.4.3 TOCTOU Race Condition Allows Symlink-Based Arbitrary File Write — CVE-2026-29518

CVE · Microsoft · CVE-2026-29518

ID
CVE-2026-29518
Date
Activity
Source
CVE
Vendor
Microsoft
Threat
high
CVSS
7.3

Summary

CVE-2026-29518 is a advisory from CVE. CVE-2026-29518 Rsync < 3.4.3 TOCTOU Race Condition Allows Symlink-Based Arbitrary File Write Vendor: Microsoft. Severity/Threat: high.

Product

Security Update Guide

What to do

General, cautious steps (verify details in the official source):

  • Prioritize patching or mitigation immediately (treat as actively risky).
  • Identify affected product versions in your inventory and verify whether you are impacted.
  • Apply vendor patches/updates or recommended mitigations as soon as available.
  • Read the official advisory for exact affected versions and remediation steps.

Official advisory

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