CVE detail
CVE-2026-43803
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. A remote attacker may be able to cause unexpected system termination.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 20.8 · diversity 5.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 7
- within the 30d window
- Peak daily
- 7
- highest bucket
Evidence
Source links by recency
7 source links · newest first
- https://support.apple.com/en-us/128072support.apple.com
No excerpt available.
Vendor Advisorysupport.apple.comJul 27, 2026, 9:17 PM - https://support.apple.com/en-us/128071support.apple.com
No excerpt available.
Vendor Advisorysupport.apple.comJul 27, 2026, 9:17 PM - https://support.apple.com/en-us/128070support.apple.com
No excerpt available.
Vendor Advisorysupport.apple.comJul 27, 2026, 9:17 PM - https://support.apple.com/en-us/128069support.apple.com
No excerpt available.
Vendor Advisorysupport.apple.comJul 27, 2026, 9:17 PM - https://support.apple.com/en-us/128068support.apple.com
No excerpt available.
Vendor Advisorysupport.apple.comJul 27, 2026, 9:17 PM - https://support.apple.com/en-us/128067support.apple.com
No excerpt available.
Vendor Advisorysupport.apple.comJul 27, 2026, 9:17 PM - https://support.apple.com/en-us/128066support.apple.com
No excerpt available.
Vendor Advisorysupport.apple.comJul 27, 2026, 9:17 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2026-64764CVSS 7.8 · High
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 2…
- CVE-2026-64739CVSS 8.8 · High
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 2…
- CVE-2026-43666CVSS 6.2 · Medium
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macO…
- CVE-2026-28972CVSS 6.5 · Medium
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, mac…
- CVE-2026-28956CVSS 6.5 · Medium
A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.…
- CVE-2026-28918CVSS 6.5 · Medium
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.…