CVE-2025-43529
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
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EPSS — probability of exploitation (30 days)
8.8%
94.9th percentile
CISA KEV
Listed
Added 2025-12-15 · patch by 2026-01-05
Weakness / dates
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Published — · modified —
Timeline
- 2025-12-15 — Added to CISA KEV (actively exploited)
- 2026-01-05 — CISA patch-by deadline
Description
Apple iOS, iPadOS, macOS, and other Apple products contain a use-after-free vulnerability in WebKit. Processing maliciously crafted web content may lead to memory corruption. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.