CVE-2026-20603
MEDIUMCVSS 4.4/10EPSS 0.13%
Last modified
CVE-2026-20603 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Tahoe 26.3. EPSS estimates a 0.13% chance of exploitation in the next 30 days.
Description
This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Tahoe 26.3. An app with root privileges may be able to access private information.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Macos | < 26.3 |
References
- https://support.apple.com/en-us/126348Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-20603?
This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Tahoe 26.3. An app with root privileges may be able to access private information.
How severe is CVE-2026-20603?
CVE-2026-20603 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20603?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2026-20603?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST