CVE-2026-43677
Medium
Description
An out-of-bounds write issue was addressed by removing the vulnerable code. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious WebDAV server may lead to unexpected app termination.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Apple Macos
PublishedSep 14, 2026
First seenSep 14, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- apple macos15.8, 26.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple macos | 15.0 ≤ v < 15.8, 26.0 ≤ v < 26.7 | 15.8, 26.7 |
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