EUVD-2026-78034
GHSA-g4cq-5gxj-h4r8
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from Vendor (apple) · only source for this CVE.
CVSS VectorVendor: apple
Lifecycle Timeline
5DescriptionCVE.org
A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious WebDAV server may result in code execution.
AnalysisAI
Memory corruption in Apple macOS WebDAV client handling allows code execution when a user connects to an attacker-controlled WebDAV server, affecting macOS versions prior to Sequoia 15.8, Tahoe 26.7, and Golden Gate 27. The flaw is an out-of-bounds write (CWE-787) reachable over the network but gated by user interaction, rated 8.8 by Apple/NVD with an unauthenticated network attack vector. …
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Same weakness CWE-787 – Out-of-bounds Write
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External POC / Exploit Code
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