CVE-2026-20602
MEDIUMCVSS 5.5/10EPSS 0.14%
Last modified
CVE-2026-20602 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. The issue was addressed with improved handling of caches. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
Description
The issue was addressed with improved handling of caches. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to cause a denial-of-service.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Macos | < 14.8.4 |
| Apple | Macos | >= 15.0, < 15.7.4 |
| Apple | Macos | >= 26.0, < 26.3 |
References
- https://support.apple.com/en-us/126348Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126349Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126350Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-20602?
The issue was addressed with improved handling of caches. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to cause a denial-of-service.
How severe is CVE-2026-20602?
CVE-2026-20602 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20602?
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.
Are you affected by CVE-2026-20602?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST