CVE-2026-84511
Last modified
CVE-2026-84511 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted asset catalog may lead to unexpected process termination.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 27.0 |
| Apple | Iphone Os | < 27.0 |
| Apple | Macos | >= 15.0, < 15.8 |
| Apple | Macos | >= 26.0, < 26.7 |
| Apple | Tvos | < 27.0 |
| Apple | Visionos | < 27.0 |
| Apple | Watchos | < 27.0 |
References
- https://support.apple.com/en-us/149034Vendor Advisory
- https://support.apple.com/en-us/149035Vendor Advisory
- https://support.apple.com/en-us/149036Vendor Advisory
- https://support.apple.com/en-us/149037Vendor Advisory
- https://support.apple.com/en-us/149038Vendor Advisory
- https://support.apple.com/en-us/149042Vendor Advisory
- https://support.apple.com/en-us/149043Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-84511?
How severe is CVE-2026-84511?
How do I fix CVE-2026-84511?
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-2026-84505An out-of-bounds write issue was addressed with improved bou…7.8
- CVE-2026-84506A use after free issue was addressed with improved memory ma…7.8
- CVE-2026-84507A race condition was addressed with improved state handling.…7.8
- CVE-2026-84509An out-of-bounds read was addressed with improved bounds che…6.5
- CVE-2026-8451Insufficient input validation in NetScaler ADC and NetScaler…7.5
- CVE-2026-84510A heap buffer overflow was addressed with improved bounds ch…6.5
- CVE-2026-84512A buffer overflow was addressed with improved bounds checkin…8.8
- CVE-2026-84513A privacy issue was addressed with improved private data red…5.5
- CVE-2026-84514This issue was addressed with additional entitlement checks.…5.5
- CVE-2026-84515An out-of-bounds write issue was addressed with improved bou…7.8
- CVE-2026-84516An out-of-bounds read was addressed with improved bounds che…8.1
- CVE-2026-84517An integer overflow was addressed with improved input valida…5.5
Are you affected by CVE-2026-84511?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
