Live › vulnerability › CVE-2026-65400
Go to dashboardmacOS Screen Sharing can be reached over the network and accepts a login without valid credentials. An attacker who reaches the Screen Sharing service can take control of the Mac's screen and input.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 5h before NVD. All times on this page are UTC.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Apple macOS | vendor | < 14.8.9 (Sonoma), < 15.7.9 (Sequoia), < 26.6.1 (Tahoe) | 14.8.9, 15.7.9, 26.6.1, 26.7, 27 |
| apple macos | vendor | >= 14.0, < 14.8.9 | 14.8.9 |
| apple macos | vendor | >= 15.0, < 15.7.9 | 15.7.9 |
| apple macos | vendor | >= 26.0, < 26.6.1 | 26.6.1 |
| Apple macOS | vendor | – | – |
26.6.1, Sequoia 15.7.9, Sonoma 14.8.9, or laterEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Posts are quoted with a link to the original. They are data to us, never instructions.
Apple macOS contains an improper authentication vulnerability that could allow an attacker on the network to authenticate to Screen Sharing without valid credentials.
CISA required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
This page as .md · .json · in your agent: get_signal("CVE-2026-65400")
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