CVE-2026-28976
HIGHCVSS 7.5/10EPSS 0.30%
Last modified
CVE-2026-28976 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An information leakage was addressed with additional validation. This issue is fixed in macOS Tahoe 26.5. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
An information leakage was addressed with additional validation. This issue is fixed in macOS Tahoe 26.5. An app may be able to gain root privileges.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Macos | >= 26.0, < 26.5 |
References
- https://support.apple.com/en-us/127115Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-28976?
An information leakage was addressed with additional validation. This issue is fixed in macOS Tahoe 26.5. An app may be able to gain root privileges.
How severe is CVE-2026-28976?
CVE-2026-28976 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2026-28976?
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
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-28970Programs using swift-nio is vulnerable to HTTP request smugg…6.3
- CVE-2026-28971The issue was addressed with improved UI handling. This issu…4.3
- CVE-2026-28972An out-of-bounds write issue was addressed with improved inp…6.5
- CVE-2026-28973An integer overflow was addressed with improved input valida…8.6
- CVE-2026-28974This issue was addressed with improved checks to prevent una…7.5
- CVE-2026-28975### Impact When `NIOHTTPRequestDecompressor` is configured …6.9
- CVE-2026-28977The issue was addressed with improved bounds checks. This is…6.2
- CVE-2026-28978A permissions issue was addressed with additional restrictio…8.8
- CVE-2026-28979An out-of-bounds access issue was addressed with improved bo…6.5
- CVE-2026-2898A vulnerability was detected in funadmin up to 7.1.0-rc4. Th…6.5
- CVE-2026-28980### Summary The `HTTPDecoder` in `NIOHTTP1` enforces no lim…8.7
- CVE-2026-28981A buffer overflow was addressed with improved bounds checkin…7.8
Are you affected by CVE-2026-28976?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
