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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 Sequoia 15.7.9, macOS

Description

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.

Affected Products

VendorProductVersions
applemacos0, 0, 0, All versions

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
applemacoscert_advisory90%

References

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

Related News (18 articles)

Tier D
The Hacker News17d ago
Critical macOS, SharePoint, vCenter, and Microsoft IKE Flaws Under Active Exploitation
→ No new info (linked only)
Tier D
Heise Security17d ago
Warnung vor Angriffen auf Microsoft IKE, SharePoint, VMware vCenter und macOS
→ No new info (linked only)
Tier B
CCCS Canada19d ago
Apple security advisory (AV26-823)
→ No new info (linked only)
Tier D
The Hacker News19d ago
⚡ Weekly Recap: VMware Exploits, Windows 0-Day, MCP Attacks, Browser Hijacks and More
→ No new info (linked only)
Tier D
Help Net Security19d ago
Attackers exploit patched macOS Screen Sharing flaw to deploy cryptominer
→ No new info (linked only)
Tier D
SecurityWeek19d ago
Recent macOS Screen Sharing Vulnerability Exploited in Attacks
→ No new info (linked only)
Tier D
The Hacker News21d ago
Apple macOS Screen Sharing Flaw Exploited on Internet-Exposed Macs to Install Monero Miner
→ No new info (linked only)
Tier D
Ars Technica Security22d ago
Vulnerability giving attackers full control of Macs is under active exploitation
→ No new info (linked only)
Tier D
BleepingComputer22d ago
Hackers exploit macOS Screen Sharing flaw to deploy Monero miner
→ No new info (linked only)
Tier E
Full Disclosure23d ago
APPLE-SA-08-06-2026-2 macOS Sequoia 15.7.9
→ No new info (linked only)
Tier E
Full Disclosure23d ago
APPLE-SA-08-06-2026-3 macOS Sonoma 14.8.9
→ No new info (linked only)
Tier D
The Hacker News26d ago
⚡ Weekly Recap: AI Goes Rogue, Metabase 0-Day, MCP Supply-Chain Attacks, and Router Backdoors
→ No new info (linked only)
Tier E
Hacker News28d ago
macOS vulnerability: authenticate Screen Sharing without valid credentials
→ No new info (linked only)
Tier D
SecurityWeek29d ago
Microsoft, Apple Release Fresh Security Updates
→ No new info (linked only)
Tier B
BSI Advisories29d ago
[NEU] [mittel] Apple macOS (Sonoma, Sequoia und Tahoe): Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
→ No new info (linked only)
Tier D
Help Net Security29d ago
August 2026 Patch Tuesday forecast: How do we deal with the patch apocalypse?
→ No new info (linked only)
Tier C
VulDB30d 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-FR30d 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
CWECWE-20
PublishedAug 6, 2026
Last enriched30d ago
Tags
macoslotlliving-off-the-landremote execution
Trending Score14
Source articles18
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
Aug 19, 2026
Exploit Available
Aug 19, 2026
Patch Available
Aug 19, 2026