CVE-2021-30952
Apple Multiple Products Integer Overflow or Wraparound Vulnerability
IN CISA KEV
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.
- Vendor
- Apple
- Product
- Multiple Products
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- CWE-190
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2026-03-05
- Due date
- 2026-03-26
- Ransomware use
- Unknown
- 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.
EPSS
6.96% chance of exploitation in the next 30 days (percentile 94th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.