CVE-2025-43529
Last modified
CVE-2025-43529 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 8.44% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 26.2 |
| Apple | Ipados | < 18.7.3 |
| Apple | Ipados | >= 26.0, < 26.2 |
| Apple | Iphone Os | < 18.7.3 |
| Apple | Iphone Os | >= 26.0, < 26.2 |
| Apple | Macos | >= 26.0, < 26.2 |
| Apple | Tvos | < 26.2 |
| Apple | Visionos | < 26.2 |
| Apple | Watchos | < 26.2 |
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
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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