CVE-2026-43773General(apple / macos)

LOWCVSS 9.8 · CRITICAL

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 read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-125

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.

  • macos

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
macos

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-07-28: 107-28
Signal classification1 categories
General
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Surya Kushwaha@suryaforr
    General

    Apple credited me for five security findings affecting Ios devices: 2 CVEs
• CVE-2026-28981
• CVE-2026-43773 3 additional acknowledgements
• dcerpc
• Heimdal
• IOStorageFamily https://support.apple.com/en-us/128067 #CyberSecurity #AppleSecurity #macOS #CVE #VulnerabilityResearch https://t.co/TRcYzVN6MA

    Post summary

    The tweet announces that Apple credited the author for five security findings on iOS, listing two CVEs, but it provides no technical details, exploits, or remediation information.

    31060145.1K
    161 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
OSapplemacos---

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