# CVE-2026-65374

macOS memory-corruption via WebDAV allows remote code execution

- Page: https://www.vulneraibility.com/cve/CVE-2026-65374
- CVSS: 8.8
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.53% (percentile 44.7)
- Unvetted proof-of-concept code on GitHub: 1 GitHub proof of concept (first 2026-09-16)
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-09-15)
- Weakness: CWE-787
- Published: 2026-09-14

## Affected versions

- Apple macOS: affected < 15.8; < 26.7; < 27

A version outside these ranges is not a statement that it is unaffected.

## Impact

Remote code execution when a macOS client connects to a malicious WebDAV server (memory corruption, arbitrary code execution).

## Action

Immediate action required

## Recommendation

Install Apple updates immediately; block or restrict untrusted WebDAV access.

## References

- [other] https://support.apple.com/en-us/149035
- [other] https://support.apple.com/en-us/149042
- [other] https://support.apple.com/en-us/149043

---
Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.