Risk Letters

Exploited vulnerability

CVE-2025-43300

TLP:CLEAR

Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability

Apple iOS, iPadOS, and macOS contain an out-of-bounds write vulnerability in the Image I/O framework.

Facts

  • Vendor: Apple
  • Product: iOS, iPadOS, and macOS
  • CVSS: 10
  • EPSS (probability of exploitation within 30 days): 65.2 %
  • On CISA's Known Exploited Vulnerabilities list since: 21 August 2025
  • First known exploitation: 21 August 2025
  • CISA's deadline for US federal agencies: 11 September 2025
  • Weakness: CWE-787
  • First seen by Risk Letters: 21 August 2025

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD