# CVE-2024-27834: CVE-2024-27834

Status: published. Published: 2024-05-13. Updated: 2026-11-04.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Apple / Safari: ≥ 0; < 17.5 (affected, custom). Source: CNA: apple
- Apple / iOS and iPadOS: ≥ 0; < 16.7.8 (affected, custom); ≥ 0; < 17.5 (affected, custom). Source: CNA: apple
- Apple / macOS: ≥ 0; < 14.5 (affected, custom). Source: CNA: apple
- Apple / tvOS: ≥ 0; < 17.5 (affected, custom). Source: CNA: apple
- Apple / watchOS: ≥ 0; < 10.5 (affected, custom). Source: CNA: apple

## Severity and prioritization

- CVSS 3.1: 5.5 (medium); CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N; source: ADP: CISA-ADP

- CISA KEV: No listing in collected sources

- EPSS: 0.60% as of 2026-11-03; percentile 48.68%

- SSVC: exploitation none; automatable yes; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-287

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://support.apple.com/en-us/120896 (CNA: apple)

- https://support.apple.com/en-us/120898 (CNA: apple)

- https://support.apple.com/en-us/120901 (CNA: apple)

- https://support.apple.com/en-us/120902 (CNA: apple)

- https://support.apple.com/en-us/120903 (CNA: apple)

- https://support.apple.com/en-us/120905 (CNA: apple)

- https://support.apple.com/en-us/HT214101 (ADP: CVE; x_transferred)

- https://support.apple.com/en-us/HT214106 (ADP: CVE; x_transferred)

- https://support.apple.com/en-us/HT214104 (ADP: CVE; x_transferred)

- https://support.apple.com/en-us/HT214103 (ADP: CVE; x_transferred)

- https://support.apple.com/en-us/HT214102 (ADP: CVE; x_transferred)

- http://seclists.org/fulldisclosure/2024/May/17 (ADP: CVE; x_transferred)

- http://www.openwall.com/lists/oss-security/2024/05/21/1 (ADP: CVE; x_transferred)

- http://seclists.org/fulldisclosure/2024/May/10 (ADP: CVE; x_transferred)

- http://seclists.org/fulldisclosure/2024/May/9 (ADP: CVE; x_transferred)

- http://seclists.org/fulldisclosure/2024/May/12 (ADP: CVE; x_transferred)

- http://seclists.org/fulldisclosure/2024/May/16 (ADP: CVE; x_transferred)

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/ (ADP: CVE; x_transferred)

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/ (ADP: CVE; x_transferred)

- https://support.apple.com/kb/HT214106 (ADP: CVE)

- https://support.apple.com/kb/HT214104 (ADP: CVE)

- https://support.apple.com/kb/HT214102 (ADP: CVE)

- https://support.apple.com/kb/HT214100 (ADP: CVE)

## Provenance

- CNA: apple: https://www.cve.org/CVERecord?id=CVE-2024-27834; retrieved 2026-11-04; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2024-27834; retrieved 2026-11-04; source updated Not reported

Revision: 1d4e717e30fd2bf5a8efed2a4a14279004d7c6ef997ee837031d8a0c7a0ce5f8

Canonical: https://y2.dev/cve/CVE-2024-27834

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.