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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2026-43818

An integer overflow was addressed with improved input validation. 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. Processing a maliciously crafted image may lead to arbitrary code execution.

CVSS 8.8 · HighBuzz score 34.5

Buzz score

Why this CVE is surfacing

Buzz score total 34.5

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 19.5 · diversity 15.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
19.5
6 evidence mentions in the snapshot
Diversity score
15.0
3 sources across 3 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
6
within the 30d window
Peak daily
4
highest bucket

Evidence

Source links by recency

Newest mentions first
6 source links · newest first
  • The July 2026 Apple Security Update ReviewZero Day Initiative

    ation, we’re left to speculate on which of these bugs is the most severe. However, there are a couple that stand out. · CVE-2026-43818 (ImageIO) – This bug could allow the “Processing [of] a maliciously crafted image may lead to arbitrary code execution ." ImageIO is the classic zero-/one-click remote surface on Apple platforms (images auto-parsed in M

    vendorwww.thezdi.comJul 30, 2026, 2:00 PM
  • Update your iPhone, iPad and Mac to fix Apple security holesMalwarebytes Labs

    Apple issued a large July security update with several image processing related vulnerabilities that could compromise your device.

    newswww.malwarebytes.comJul 28, 2026, 11:35 AM
  • 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/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
No public PoC repositories have been matched yet.

Related records

Similar CVEs

6 related CVEs with shared weakness or product evidence