CVE-2024-27834: Apple Multiple Products Improper Authentication Vulnerability

# CVE-2024-27834: Apple Multiple Products Improper Authentication Vulnerability

https://gcdradar.vercel.app/incidents/cve-2024-27834-apple-multiple-products-improper-authenticati · AIR-2026-1772 · live

- Lane: Patch now
- Severity: 3 (Confirmed exploitation): Exploited in the wild as confirmed by CISA KEV.
- Fix status: Patched
- First reported: 2026-11-04
- AI role: No AI role
- Products: iOS, iPadOS, macOS, Safari, tvOS, watchOS
- CVE ids: CVE-2024-27834
- CVSS: 8.1

## Summary

Apple operating systems contain an improper authentication flaw allowing attackers to bypass pointer authentication. CISA added the vulnerability to its Known Exploited Vulnerabilities catalog following confirmed in-the-wild attacks.

## What to do

Apply mitigations and security updates in accordance with vendor instructions and CISA guidance.

## Affected and fixed versions

- Affected: iOS, iPadOS, macOS, Safari, tvOS and watchOS 10.5

## Latest updates

- 2026-11-05: Hackers Exploit Patched Apple Flaw to Deliver Info-Stealing Malware, CISA Says (https://thehackernews.com/2026/11/hackers-exploit-patched-apple-flaw-to.html)
- 2026-11-04: CVE-2024-27834: Apple Multiple Products — Apple Multiple Products Improper Authentication Vulnerability (https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27834)

## Sources

- 2026-11-04 CISA: CVE-2024-27834: Apple Multiple Products — Apple Multiple Products Improper Authentication Vulnerability https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27834
- 2026-11-05 The Hacker News: Hackers Exploit Patched Apple Flaw to Deliver Info-Stealing Malware, CISA Says https://thehackernews.com/2026/11/hackers-exploit-patched-apple-flaw-to.html

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.