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CISA Adds Apple CVE-2024-27834 to KEV Catalog Amid Active Exploitation

CISA Adds Apple CVE-2024-27834 to KEV Catalog Amid Active Exploitation

First seen 5 Nov 2026, 10:23 UTC • •

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ThreatCluster AI
ThreatCluster •November 5, 2026 at 10:24 UTC
  • •CVE-2024-27834 added to CISA's KEV catalog due to active exploitation.
  • •The vulnerability affects multiple Apple operating systems and allows bypassing of Pointer Authentication.
  • •Attacks linked to APT29 utilize this flaw to deploy information-stealing malware.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added CVE-2024-27834, a medium-severity vulnerability affecting multiple Apple operating systems, to its Known Exploited Vulnerabilities (KEV) catalog due to reports of active exploitation. This flaw allows attackers with arbitrary read and write capabilities to bypass Apple's Pointer Authentication, a security feature. The vulnerability was patched by Apple in May 2024 across various systems, including iOS, iPadOS, macOS, and Safari. Recent attacks attributed to the Russian cyberespionage group APT29 have exploited this vulnerability alongside other flaws to deploy information-stealing malware. CISA has recommended that federal agencies apply necessary patches by November 18, 2026, to mitigate risks associated with this vulnerability.

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Timeline

2024-05-13
CVE-2024-27834 published
Apple disclosed a medium-severity vulnerability affecting multiple operating systems, patched in updates released in May 2024.
The Hacker News
2026-11-04
CVE-2024-27834 added to KEV catalog
CISA added the vulnerability to its KEV catalog following reports of active exploitation by threat actors.
Securityaffairs.Co
Recent
APT29 exploits vulnerability
Sekoia reported that APT29 used CVE-2024-27834 in a zero-click exploit chain to deliver malware targeting Safari and Chrome.
The Hacker News

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Common questions

Which Apple systems are affected?
CVE-2024-27834 impacts iOS, iPadOS, macOS, tvOS, watchOS, and Safari.
What is the current exploitation status?
The vulnerability is actively being exploited in the wild, particularly by the APT29 group.
What should organizations do to protect themselves?
Organizations should apply the relevant patches by November 18, 2026, to mitigate the risks associated with this vulnerability.