VulnerabilityAnalyzed
CVE-2026-28819
An out-of-bounds write issue was addressed with improved bounds checking.
MEDIUM 5.4EPSS 7.11%
Does this matter?
Lower severity and a low EPSS score (7.11%). Track it; it rarely justifies an emergency change on its own.
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to execute arbitrary code with kernel privileges.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- EPSS
- 7.11% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- apple/ipados · apple/iphone os · apple/macos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/127111Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127115Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127116Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127117Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.