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9.8
CVE-2026-65400KEVEXPLOITEDPATCHED
apple · macos

CVE-2026-65400: An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS

Description

An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1, macOS Tahoe 26.7. An attacker on the network may be able to authenticate to Screen Sharing without valid credentials.

Affected Products

VendorProductVersions
applemacos0, 0, 0, 0, 0

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
applemacoscert_advisory90%
appleipadoscert_advisory90%
appleioscert_advisory90%
applesafaricert_advisory90%

References

  • https://support.apple.com/en-us/148170
  • https://support.apple.com/en-us/148171
  • https://support.apple.com/en-us/148172
  • https://support.apple.com/en-us/149035
  • https://support.apple.com/en-us/149042

Related News (23 articles)

Tier E
Full Disclosure5d ago
APPLE-SA-09-14-2026-4 macOS Tahoe 26.7
→ No new info (linked only)
Tier E
Full Disclosure5d ago
APPLE-SA-09-14-2026-3 macOS Golden Gate 27
→ No new info (linked only)
Tier B
CERT-FR7d ago
Bulletin d'actualité CERTFR-2026-ACT-040 (21 septembre 2026)
→ No new info (linked only)
Tier B
BSI Advisories12d ago
[NEU] [hoch] Apple iOS, iPadOS, macOS Tahoe, macOS Golden Gate, macOS Sequoia und Safari: Mehrere Schwachstellen
→ No new info (linked only)
Tier B
CERT-FR13d ago
Multiples vulnérabilités dans les produits Apple (15 septembre 2026)
→ No new info (linked only)
Tier D
The Hacker News39d ago
Critical macOS, SharePoint, vCenter, and Microsoft IKE Flaws Under Active Exploitation
→ No new info (linked only)
Tier D
Heise Security39d ago
Warnung vor Angriffen auf Microsoft IKE, SharePoint, VMware vCenter und macOS
→ No new info (linked only)
Tier B
CCCS Canada41d ago
Apple security advisory (AV26-823)
→ No new info (linked only)
Tier D
The Hacker News41d ago
⚡ Weekly Recap: VMware Exploits, Windows 0-Day, MCP Attacks, Browser Hijacks and More
→ No new info (linked only)
Tier D
Help Net Security41d ago
Attackers exploit patched macOS Screen Sharing flaw to deploy cryptominer
→ No new info (linked only)
Tier D
SecurityWeek41d ago
Recent macOS Screen Sharing Vulnerability Exploited in Attacks
→ No new info (linked only)
Tier D
The Hacker News43d ago
Apple macOS Screen Sharing Flaw Exploited on Internet-Exposed Macs to Install Monero Miner
→ No new info (linked only)
Tier D
Ars Technica Security44d ago
Vulnerability giving attackers full control of Macs is under active exploitation
→ No new info (linked only)
Tier D
BleepingComputer44d ago
Hackers exploit macOS Screen Sharing flaw to deploy Monero miner
→ No new info (linked only)
Tier E
Full Disclosure45d ago
APPLE-SA-08-06-2026-2 macOS Sequoia 15.7.9
→ No new info (linked only)
Tier E
Full Disclosure45d ago
APPLE-SA-08-06-2026-3 macOS Sonoma 14.8.9
→ No new info (linked only)
Tier D
The Hacker News48d ago
⚡ Weekly Recap: AI Goes Rogue, Metabase 0-Day, MCP Supply-Chain Attacks, and Router Backdoors
→ No new info (linked only)
Tier E
Hacker News50d ago
macOS vulnerability: authenticate Screen Sharing without valid credentials
→ No new info (linked only)
Tier D
SecurityWeek51d ago
Microsoft, Apple Release Fresh Security Updates
→ No new info (linked only)
Tier B
BSI Advisories51d ago
[NEU] [mittel] Apple macOS (Sonoma, Sequoia und Tahoe): Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
→ No new info (linked only)
Tier D
Help Net Security51d ago
August 2026 Patch Tuesday forecast: How do we deal with the patch apocalypse?
→ No new info (linked only)
Tier C
VulDB52d ago
CVE-2026-65400 | Apple macOS up to 14.8.8/15.7.8/26.6.0 Screen Sharing improper authentication
→ No new info (linked only)
Tier B
CERT-FR52d ago
Vulnérabilité dans Apple macOS (07 août 2026)
→ No new info (linked only)

Discussion (0)

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CVSS 3.19.8 CRITICAL
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA KEV✅ Yes
Actively exploited✅ Yes
Patch available
14.8.915.7.926.6.1
PublishedAug 6, 2026
Last enriched52d ago
Tags
macoslotlliving-off-the-landremote execution
Trending Score79
Source articles23
Independent12
Info Completeness8/14
Missing: epss, cwe, kev, exploit, iocs, mitre_attack

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Verification

State: verified
Confidence: 0%

Vulnerability Timeline

CVE Published
Aug 6, 2026
Added to CISA KEV
Aug 6, 2026
Discovered by ZDM
Aug 7, 2026
Actively Exploited
Sep 14, 2026
Exploit Available
Sep 14, 2026
Patch Available
Sep 14, 2026