KEV · Actively exploited

CVE-2024-27834

CVE-2024-27834 is actively exploited (CISA KEV catalog) : medium severity (CVSS 5.5), 0 tracked apps concerned, none still exposed on their current version.

Severity (CVSS): 5.5
Exploitation: Confirmed
Tracked apps: 0
Still exposed: 0

Published on 2024-05-14

The issue was addressed with improved checks. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5, watchOS 10.5. An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.

Attack vector : Local No user interaction

Show raw CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS 1.50% predictive model; CISA confirms active exploitation percentile 74.5%

CISA Known Exploited Vulnerability

Added to KEV: 2026-11-04
Remediation deadline: 2026-11-18
Required action: 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.
Ransomware: Unknown (not documented by CISA)

OS versions that fix this CVE

This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.

iOS Fixed in 17.5 16.7.8
iPadOS Fixed in 17.5 16.7.8
macOS Fixed in 14.5

View on NVD ↗ CISA KEV catalog ↗ Advisory · support.apple.com

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