CVE-2026-43666Disclosure(apple / ipados)

LOWCVSS 6.2 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An attacker on the local network may be able to cause a denial-of-service.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-787

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • ipados
  • iphone_os
  • macos
  • tvos

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
ipadosiphone_osmacostvosvisionoswatchos

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-05-12: 1Technical Details · 2026-05-12: 105-12
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-43666 Out-of-Bounds Write Vulnerability in Apple Operating Systems Causing Denial-of-Service https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-43666

    Post summary

    The text announces CVE-2026-43666 as an out‑of‑bounds write vulnerability in Apple operating systems that results in denial‑of‑service, linking to a Vulmon page for additional details.

    0000060
    4.0K followersView on X
CPE platform detail6 entries

6 of 6 entries

PartVendorProductVersionTarget SWTarget HW
OSappleipados---
OSappleiphone_os---
OSapplemacos---
OSappletvos---
OSapplevisionos---
OSapplewatchos---

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