March 5, 2026 · Applied Cybernetics Group
CVE-2021-30952 — Apple Multiple Products
Apple Multiple Products Integer Overflow or Wraparound Vulnerability
- Added to KEV
2026-03-05- Federal due date
2026-03-26- Vendor
- Apple
- Product
- Multiple Products
- EPSS
- 74.2th percentile (score 0.008, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-30952
CISA short 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.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.