CVE-2026-20646 Information disclosure in macOS

What is CVE-2026-20646?

CVE-2026-20646 is a low-severity vulnerability in Apple Macos, published on 11 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A logging issue was addressed with improved data redaction. This issue is fixed in macOS Tahoe 26.3. A malicious app may be able to read sensitive location information.

Weakness: CWE-532

Which versions are affected by CVE-2026-20646?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2026-20646?

No fix has been published for CVE-2026-20646 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-20646 being exploited?

There is no known exploitation of CVE-2026-20646 in the wild and no public exploit code.

Other vulnerabilities in Apple Macos

• CVE-2026-65400 Apple macOS Improper Authentication Exploited Critical 9.8
• CVE-2024-44146 Security feature bypass in macOS Critical 10.0
• CVE-2024-44148 Security feature bypass in macOS Critical 10.0
• CVE-2023-38586 Security feature bypass in macOS Critical 10.0
• CVE-2023-40455 Security feature bypass in macOS Critical 10.0

All Apple Macos vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-366r-6rjw-f277.