Vulnerability details
CVE-2025-43529
Actively exploited
Apple SafariApple iOS and iPadOSApple macOSApple tvOSApple visionOSApple watchOS
CVSS 3.1
8.8High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Apple | Safari | v < 26.2 | CVEProject cvelistV5 (CNA) |
| Apple | iOS and iPadOS | v < 18.7.3 | CVEProject cvelistV5 (CNA) |
| Apple | iOS and iPadOS | v < 26.2 | CVEProject cvelistV5 (CNA) |
| Apple | macOS | v < 26.2 | CVEProject cvelistV5 (CNA) |
| Apple | tvOS | v < 26.2 | CVEProject cvelistV5 (CNA) |
| Apple | visionOS | v < 26.2 | CVEProject cvelistV5 (CNA) |
| Apple | watchOS | v < 26.2 | CVEProject cvelistV5 (CNA) |
References and advisories
8- https://support.apple.com/en-us/125884
- https://support.apple.com/en-us/125885
- https://support.apple.com/en-us/125886
- https://support.apple.com/en-us/125889
- https://support.apple.com/en-us/125890
- https://support.apple.com/en-us/125891
- https://support.apple.com/en-us/125892
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43529 government-resource
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Details
- Published
- 2025-12-18
- Last updated
- 2026-09-21
- State
- Published
- Assigner (CNA)
- apple
- Kolun priority
- 88 · Critical
CISA KEV catalog
- Date added
- 2025-12-15
- Due date
- 2026-01-05
- Used in ransomware
- Unknown
Exploit prediction (EPSS)
25.65%
Probability of exploitation in 30 days
97.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Active
- Technical impact
- Total
Weaknesses (CWE)
- CWE-416Use After Free