🛡️ CVE-2023-4736 — macos

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

• Attack vector: Local — a local account, shell or session on the host is needed.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: Required — someone has to click, open or visit something.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2023-4736 is classified as CWE-426: Untrusted Search Path. The product resolves a library or executable using a search path an attacker can influence.

Affected software

CVE-2023-4736 is recorded against 2 packages.

• macos
• vim (fixed in 9.0.1833)

Timeline and source

Published on 2 September 2023 and last revised on 23 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

seclists.org
github.com
huntr.dev
support.apple.com
seclists.org
github.com
huntr.dev
support.apple.com

Other advisories for this package

macos has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2026-65400 (9.8 Critical, published 6 Aug 2026)
• CVE-2026-43770 (4.7 Medium, published 27 Jul 2026)
• CVE-2026-43814 (9.8 Critical, published 27 Jul 2026)
• CVE-2026-64722 (5.5 Medium, published 27 Jul 2026)
• CVE-2026-64767 (9.8 Critical, published 27 Jul 2026)
• CVE-2026-28945 (7.1 High, published 27 Jul 2026)
• CVE-2026-43694 (9.8 Critical, published 27 Jul 2026)
• CVE-2026-43755 (7.0 High, published 27 Jul 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-426: Untrusted Search Path) in other software:

• CVE-2026-41447 (7.8 High, published 3 Aug 2026)
• CVE-2026-47211 (8.0 High, published 3 Aug 2026)
• CVE-2026-18605 (7.0 High, published 3 Aug 2026)
• CVE-2026-48395 (8.6 High, published 28 Jul 2026)
• CVE-2026-48391 (8.2 High, published 28 Jul 2026)
• CVE-2026-11400 (8.0 High, published 17 Jul 2026)
• CVE-2026-63093 (8.8 High, published 17 Jul 2026)
• CVE-2026-48287 (7.4 High, published 14 Jul 2026)

CVE-2023-4736 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Affected Packages

References