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Vulnerabilities / CVE-2025-43529

CVE-2025-43529

Published 2025-12-17 · published (not yet in NVD)

CVE-2025-43529

Exploited in the wild: CISA added it to the Known Exploited Vulnerabilities catalog on 2025-12-15, with a fix-by date of 2026-01-05. Patch it first.

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

8.8 HIGH
CVSS 3.1 · CNA
26%
chance of exploitation in the next 30 days (EPSS; higher than 97% of CVEs)

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.

Scores

8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCNA

Affected products

  • Apple Safari: < 26.2
  • Apple iOS and iPadOS: < 18.7.3; < 26.2
  • Apple macOS: < 26.2
  • Apple tvOS: < 26.2
  • Apple visionOS: < 26.2
  • Apple watchOS: < 26.2
7 references (advisories, patches, write-ups)

Sources: CVE.org, OSV.dev, FIRST EPSS. Missing ones did not answer or have no record yet.

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