CVE-2026-20648 Information disclosure in macOS
A malicious app can access notifications from other iCloud devices due to sensitive data being stored in an unprotected location.
- 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-2026-20648?
CVE-2026-20648 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 privacy issue was addressed by moving sensitive data to a protected location. This issue is fixed in macOS Sequoia 15.8.2, macOS Tahoe 26.3. A malicious app may be able to access notifications from other iCloud devices.
Weakness: CWE-200
Which versions are affected by CVE-2026-20648?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-20648?
No fix has been published for CVE-2026-20648 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-20648 being exploited?
There is no known exploitation of CVE-2026-20648 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-f3h2-q66h-c9wp.