Risk Letters

Exploited vulnerability

CVE-2025-31277

TLP:CLEAR

Apple Multiple Products Buffer Overflow Vulnerability

Apple Safari, iOS, watchOS, visionOS, iPadOS, macOS, and tvOS contain a buffer overflow vulnerability that could allow the processing of maliciously crafted web content which may lead to memory corruption.

Facts

  • Vendor: Apple
  • Product: Multiple Products
  • CVSS: 8.8
  • EPSS (probability of exploitation within 30 days): 1.7 %
  • On CISA's Known Exploited Vulnerabilities list since: 20 March 2026
  • First known exploitation: 20 March 2026
  • CISA's deadline for US federal agencies: 3 April 2026
  • Weakness: CWE-119
  • First seen by Risk Letters: 20 March 2026

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

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