Exploited vulnerabilities / CVE-2024-27834
Confirmed exploited · authentication bypass · Apple Multiple ProductsCVE-2024-27834
Apple Multiple Products authentication bypass, confirmed exploited in the wild.
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.
| CISA's name for it | Apple Multiple Products Improper Authentication Vulnerability |
|---|---|
| Vendor and product | Apple · Multiple Products |
| Type | authentication bypass · CWE-287 |
| Exploited | Confirmed by CISA listed 4 November 2026 |
| Likelihood | scored lower by EPSS, but already confirmed exploited, which outranks any prediction |
| Deadline | 18 November 2026 · 5 days left |
| Used in ransomware | Not reported |
| Advisories | support.apple.com ↗ · support.apple.com ↗ · support.apple.com ↗ · support.apple.com ↗ |
Three steps, in this order
Apply the vendor fix and restart the affected service.
Put the login or management interface behind a VPN or allow-list; a bypass makes passwords irrelevant.
Rotate credentials and session keys the product holds, and review accounts and configuration changes since the listing date.
| CISA's 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. |
|---|
Know before someone else finds it
Threat Landscape Monitoring fingerprints the software your internet-facing hosts disclose and matches it, every day, against this list and the exploitation scores. When a new entry touches something you run, you are told once, with the host and the fix. The free plan covers one domain.
CVE-2024-27834 in short
Is CVE-2024-27834 being exploited?
Yes. CISA added CVE-2024-27834 to its Known Exploited Vulnerabilities catalogue on 4 November 2026, which it does only on evidence of exploitation in the wild.
What is the CISA deadline for CVE-2024-27834?
US federal agencies must remediate it by 18 November 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.
How likely is CVE-2024-27834 to be exploited in the next 30 days?
FIRST's Exploit Prediction Scoring System gives it 1.5%, the 74th percentile of every CVE it scores.
How do I fix CVE-2024-27834?
Apply the vendor fix and restart the affected service. Put the login or management interface behind a VPN or allow-list; a bypass makes passwords irrelevant. Rotate credentials and session keys the product holds, and review accounts and configuration changes since the listing date.
Other Apple vulnerabilities being exploited
| CVE | Product | Type | Listed |
|---|---|---|---|
| CVE-2026-86950 | Multiple Products | remote code execution | 29 September 2026 |
| CVE-2026-65400 | macOS | authentication bypass | 18 August 2026 |
| CVE-2025-43510 | Multiple Products | exploited vulnerability | 20 March 2026 |
| CVE-2025-43520 | Multiple Products | memory corruption | 20 March 2026 |
| CVE-2025-31277 | Multiple Products | memory corruption | 20 March 2026 |
| CVE-2023-43000 | Multiple Products | memory corruption | 5 March 2026 |
Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.