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NVD
In CISA KEV10.0 Critical
CVE-2025-43300

Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability

AppleiOS, iPadOS, and macOS

Status
  • Exploited in the wild
  • In CISA KEV since 21 Aug 2025
  • Vendor fix available
Federal deadlineThu 11 Sep 2025, 23:59 UTC

Passed 408 days ago

CISA KEV · added 21 Aug 2025

Exploit probabilityEPSSchecked 25 Oct
65%probability of exploitation in the next 30 days

Higher than 99% of scored CVEs

SeverityCVSS
10.0Critical

Description NVD

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.

CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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