CVE-2025-43529A use-after-free issue was addressed with improved memory management.
Updated under an hour ago ()
Does this affect you?
It affects Apple Safari and 7 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Dec 15, 2025; federal agencies had to remediate by Jan 5, 2026. Treat that date as your deadline.
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A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.
- CVSS
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Added to CISA KEV Dec 15, 2025; federal remediation due Jan 5, 2026Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 8.76% (percentile 95)
- Assigned by
- apple
- NVD analysis
- Analyzed
- Record last updated
- Sep 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apple Safari apple:safari (from the name) | before 26.2 | CNA record |
Apple iOS and iPadOS apple:ios_and_ipados (from the name) | before 18.7.3; before 26.2 | CNA record |
Apple macOS apple:macos (from the name) | before 26.2 | CNA record |
Apple tvOS apple:tvos (from the name) | before 26.2 | CNA record |
Apple visionOS apple:visionos (from the name) | before 26.2 | CNA record |
Apple watchOS apple:watchos (from the name) | before 26.2 | CNA record |
apple safari apple:safari | before 26.2 | NVD |
apple ipados apple:ipados | before 18.7.3; from 26.0 before 26.2 | NVD |
apple iphone_os apple:iphone_os | before 18.7.3; from 26.0 before 26.2 | NVD |
apple macos apple:macos | from 26.0 before 26.2 | NVD |
apple tvos apple:tvos | before 26.2 | NVD |
apple visionos apple:visionos | before 26.2 | NVD |
apple watchos apple:watchos | before 26.2 | NVD |
References
- https://support.apple.com/en-us/125884release-notes, vendor-advisory
- https://support.apple.com/en-us/125885release-notes, vendor-advisory
- https://support.apple.com/en-us/125886release-notes, vendor-advisory
- https://support.apple.com/en-us/125889release-notes, vendor-advisory
- https://support.apple.com/en-us/125890release-notes, vendor-advisory
- https://support.apple.com/en-us/125891release-notes, vendor-advisory
- https://support.apple.com/en-us/125892release-notes, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43529us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.