CVE-2025-43520
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
—
EPSS — probability of exploitation (30 days)
0.4%
36.4th percentile
CISA KEV
Listed
Added 2026-03-20 · patch by 2026-04-03
Weakness / dates
—
Published — · modified —
Timeline
- 2026-03-20 — Added to CISA KEV (actively exploited)
- 2026-04-03 — CISA patch-by deadline
Description
Apple watchOS, iOS, iPadOS, macOS, visionOS, and tvOS contain a classic buffer overflow vulnerability which could allow a malicious application to cause unexpected system termination or write kernel memory.