VulnerabilityAnalyzed
CVE-2026-84571
A buffer overflow was addressed with improved bounds checking.
MEDIUM 4.3EPSS 0.40%
Does this matter?
Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.
Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted image may lead to unexpected app termination.
- CVSS 3.1
- 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- EPSS
- 0.40% probability · 34th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- apple/ipados · apple/iphone os · apple/macos · apple/tvos · apple/visionos · apple/watchos
- Source
- product-security@apple.com
EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://support.apple.com/en-us/149034Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149035Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149036Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149037Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149038Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.