CVE-2024-27834Apple Multiple Products Improper Authentication Vulnerability
- Product
- Apple Multiple Products
- Added to CISA KEV
- November 4, 2026
- Deadline for US federal agencies
- November 18, 2026
- Known ransomware use
- Not known
- EPSS, next 30 days
- 1.5%, higher than 74% of scored CVEs (Nov 8, 2026)
- Weakness
- CWE-287 Improper Authentication
What CISA says
Apple iOS, iPadOS, macOS, Safari, tvOS and watchOS 10.5 contain an improper authentication vulnerability which could allow an attacker with arbitrary read and write capability to bypass pointer authentication.
What CISA asks you to do
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Sources
Also exploited recently
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- Ivanti Connect Secure Generation of Predictable Numbers or Identifiers VulnerabilityCVE-2026-118527
- Ivanti Connect Secure Missing Authentication for Critical Function VulnerabilityCVE-2026-111357
- GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound VulnerabilityCVE-2026-97229
Data from CISA's Known Exploited Vulnerabilities catalog (public domain) and FIRST EPSS, refreshed hourly. Rheono did not find or test this vulnerability; this page summarizes public sources.