CVE-2026-43774Disclosure(apple / macos)

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch apple macos systems immediately

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. An app may be able to access sensitive user data.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-787

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

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

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
macos

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-18: 1Patch / Workaround · 2026-08-18: 1Technical Details · 2026-08-18: 108-18
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Csaba Fitzl@theevilbit
    Disclosure

    🍎🐛 My new blog post about a side quest with Claude to find a memory corruption vulnerability in the macOS Spotlight PostScript parser. CVE-2026-43774, fixed in macOS 26.6. https://www.iru.com/blog/how-a-single-postscript-file-leaks-your-macs-memory

    Post summary

    A blog post announces a memory‑corruption flaw (CVE‑2026‑43774) in macOS Spotlight’s PostScript parser and notes it has been fixed in macOS 26.6.

    211069384.3K
    8.7K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
OSapplemacos---

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