CVE-2026-20623 Information disclosure in macOS
An app can access protected user data due to a permissions issue in macOS, requiring a system update to fix.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-20623?
CVE-2026-20623 is a medium-severity vulnerability in Apple Macos, published on 11 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A permissions issue was addressed by removing the vulnerable code. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3. An app may be able to access protected user data.
Weakness: CWE-200
Which versions are affected by CVE-2026-20623?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-20623?
No fix has been published for CVE-2026-20623 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-20623 being exploited?
There is no known exploitation of CVE-2026-20623 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-h6jx-x5f4-qmj9.