Medium severity6.5NVD Advisory· Published Sep 14, 2026· Updated Sep 15, 2026
CVE-2026-43677
CVE-2026-43677
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.
Affected products
2Golden Gate 27, Sequoia 15.8, Tahoe 26.7+ 1 more
- (no CPE)range: Golden Gate 27, Sequoia 15.8, Tahoe 26.7
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=15.0,<15.8
Patches
Vulnerability mechanics
References
3- support.apple.com/en-us/149035nvdRelease NotesVendor Advisory
- support.apple.com/en-us/149042nvdRelease NotesVendor Advisory
- support.apple.com/en-us/149043nvdRelease NotesVendor Advisory
News mentions
2- The vulnpocalypse rains iBugs down on Apple with record-setting number of patchesThe Register Security · Sep 15, 2026
- Apple Updates Everything, (Mon, Sep 14th)SANS Internet Storm Center · Sep 14, 2026