CVE-2026-43665 Information disclosure in macOS
A local attacker can determine the legacy VNC password for Screen Sharing due to missing entitlement checks in macOS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-43665?
CVE-2026-43665 is a medium-severity vulnerability in Apple Macos, published on 27 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
This issue was addressed with additional entitlement checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. A local attacker may be able to determine the legacy VNC password configured for Screen Sharing.
Weakness: CWE-862
Which versions are affected by CVE-2026-43665?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-43665?
No fix has been published for CVE-2026-43665 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-43665 being exploited?
There is no known exploitation of CVE-2026-43665 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-5rwq-4jf8-hxpv.