KEV Entry

CVE-2024-27834

Known Exploited Vulnerability Entry CISA

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Entry Details
Confirmed Exploited

CVE-2024-27834

2026-11-04 01:00 CET

Timestamps

2026-11-04

2026-11-04

Scope

Apple Multiple Products Improper Authentication Vulnerability | Affected: Apple / Multiple Products | Description: 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. | 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. | Due date: 2026-11-18 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://support.apple.com/en-us/120896 ; https://support.apple.com/en-us/120898 ; https://support.apple.com/en-us/120901 ; https://support.apple.com/en-us/120902 ; https://support.apple.com/en-us/120903 ; https://support.apple.com/en-us/120905 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2024-27834

References
  • {'id': 'CVE-2024-27834', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-27834'}

ee2c4677-f23a-41f2-92d4-4d81a326bfe1

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-11-05 06:23 CET

2026-11-05 06:23 CET

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-287"
  ],
  "date_added": "2026-11-04",
  "due_date": "2026-11-18",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Multiple Products",
  "vendorProject": "Apple",
  "vulnerabilityName": "Apple Multiple Products Improper Authentication Vulnerability"
}
 -
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