High severity7.8NVD Advisory· Published Sep 14, 2026· Updated Sep 16, 2026
CVE-2026-84511
CVE-2026-84511
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted asset catalog may lead to unexpected process termination.
Affected products
14- Range: = 27
= 27+ 1 more
- (no CPE)range: = 27
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <27.0
- Range: = 27
- Range: = 15.8
- Range: = 26.7
= 27+ 1 more
- (no CPE)range: = 27
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <27.0
= 27+ 1 more
- (no CPE)range: = 27
- cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*range: <27.0
= 27+ 1 more
- (no CPE)range: = 27
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <27.0
Patches
Vulnerability mechanics
References
7- support.apple.com/en-us/149034nvdVendor Advisory
- support.apple.com/en-us/149035nvdVendor Advisory
- support.apple.com/en-us/149036nvdVendor Advisory
- support.apple.com/en-us/149037nvdVendor Advisory
- support.apple.com/en-us/149038nvdVendor Advisory
- support.apple.com/en-us/149042nvdVendor Advisory
- support.apple.com/en-us/149043nvdVendor Advisory
News mentions
5- Apple tvOS: 25 Vulnerabilities Patched in Same-Day DisclosureVypr Intelligence · Sep 14, 2026
- macOS Tahoe: 25 Vulnerabilities Patched in Same-Day Apple Security UpdateVypr Intelligence · Sep 14, 2026
- macOS Tahoe: 25 Vulnerabilities Patched in Same-Day Apple Security UpdateVypr Intelligence · Sep 14, 2026
- macOS Sequoia: 25 Vulnerabilities Patched in Same-Day Apple Security UpdateVypr Intelligence · Sep 14, 2026
- Apple Updates Everything, (Mon, Sep 14th)SANS Internet Storm Center · Sep 14, 2026