CVE-2021-30952
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)
7.0%
93.8th percentile
CISA KEV
Listed
Added 2026-03-05 · patch by 2026-03-26
Weakness / dates
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Published — · modified —
Timeline
- 2026-03-05 — Added to CISA KEV (actively exploited)
- 2026-03-26 — CISA patch-by deadline
Description
Apple tvOS, macOS, Safari, iPadOS and watchOS contain an integer overflow or wraparound vulnerability due to the processing of maliciously crafted web content that may lead to arbitrary code execution.