ClosedPatched

Apple Multiple Products: WebKit Type Confusion (CVE-2023-23529)

Apple Multiple Products

Apple iOS, MacOS, Safari and iPadOS WebKit contain a type confusion vulnerability that leads to code execution when processing maliciously crafted web content. 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. Added to CISA KEV on 2023-02-14.

Why this severity: CVSS 8.8 (NVD), actively exploited (CISA KEV)

Started: Feb 14, 2023
Closed: Feb 14, 2023
CVE: CVE-2023-23529

Follow this incident

Updated Feb 14, 2023

Affected

See vendor advisory / CISA notes (versions not always listed in KEV feed)

Fixed in

See vendor advisory linked in sources

Timeline1

Feb 14, 2023
CISA added CVE-2023-23529 to the KEV catalog (due 2023-03-07).

Advisories3

Notes & caveats

Derived from CISA KEV JSON feed catalogVersion 2026.10.21. Exact affected/fixed version strings are not always in the KEV record — verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier).

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