Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2, watchOS 27.2. Processing a maliciously crafted calendar invitation may lead to memory corruption.
Affected products
apple: ipados; apple: iphone os; apple: macos; apple: visionos; apple: watchos
References4
- support.apple.com/en-us/149230 Vendor Advisory
- support.apple.com/en-us/149521 Vendor Advisory
- support.apple.com/en-us/149525 Vendor Advisory
- support.apple.com/en-us/149526 Vendor Advisory
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 51 · as of 8 November 2026
- CWE
- CWE-787
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.