Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L N N U H H H 9.8 .0075 52.2 YES
AFFECTED Product Versions Fixed macOS unspecified —
TIMELINE Jul 22 Reserved by apple Aug 6 Published (CNA: apple) Aug 18 ADDED TO KEV — CVE-2026-65400 (Apple macOS). Remediation due August 21, 2026.
An authentication issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1. An attacker on the network may be able to authenticate to Screen Sharing without valid credentials.
| Date | Event | Detail |
|---|---|---|
| July 22, 2026 | Reserved | Reserved by apple |
| August 6, 2026 | Published | Published (CNA: apple) |
| August 18, 2026 | KEV ADDED | ADDED TO KEV — CVE-2026-65400 (Apple macOS). Remediation due August 21, 2026. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| Apple | macOS | — | — | — |
Authoritative record: CVE-2026-65400 at cve.org
Vendors: apple
Weaknesses: CWE-287
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-65400 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.