VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVReported exploited: VulnCheck KEV since Published EPSS 5.8% probability of exploitation in 30 days
Apple

CVE-2018-4443: A memory corruption issue was addressed with improved memory handling.

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .

VulnCheck KEV lists it since . It cites 1 public report, the first from .

How likely is exploitation in the next 30 days?
5.8%

EPSS score, percentile 93.1 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?
Not scored

The CVE record carries no CVSS score.

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • Versions prior to: iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTune…

Versions by product

Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

Description

A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9.

Source: CVE List, as of . About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Versions by product, as listed in the CVE record (1 product)
n/a iOS, tvOS, watchOS, Safari, iTunes for Windows, iCloud for Windows
StatusVersions
AffectedVersions prior to: iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTune…

Source: CVE List, as of . About the data.

Timeline

DateEvent
CVE record published
CVE record last updated

References

6

Known exploited Apple vulnerabilities

  • CVE-2026-86950: Apple Multiple Products Out-of-Bounds Write Vulnerability (added )
  • CVE-2026-65400: Apple macOS Improper Authentication Vulnerability (added )
  • CVE-2025-31277: Apple Multiple Products Buffer Overflow Vulnerability (added )
  • CVE-2025-43510: Apple Multiple Products Improper Locking Vulnerability (added )
  • CVE-2025-43520: Apple Multiple Products Classic Buffer Overflow Vulnerability (added )