CVE-2026-43783

⚠️ high

A race condition was addressed with improved locking. This issue is fixed in macOS Tahoe 26.6. A malicious app may be able to gain root privileges.

CVSS Score

7.8

High

EPSS Score

0.1

Exploit Probability

Published Date

2026-09-14

First Seen: 2026-09-16

This CVE is Moderate Risk - more severe than 68.6% of all 357,695 vulnerabilities in our database.

#112,339

Above average severity

Severity Percentile

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-09-15

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE IDs (Weakness Types)

CWE-362

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
apple	macos	Affected	< 26.6

Release Notes Vendor Advisory

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-28933	🔶 medium	5.5	0.2	A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Sequoia 15.7.8, macOS...	2026-09-14
CVE-2026-28934	🔶 medium	6.5	0.2	A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoi...	2026-09-14
CVE-2026-43664	🔶 medium	5.5	0.2	This issue was addressed with improved data protection. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPad...	2026-09-14
CVE-2026-43677	🔶 medium	6.5	0.2	An out-of-bounds write issue was addressed by removing the vulnerable code. This issue is fixed in macOS Golden Gate 27,...	2026-09-14
CVE-2026-43684	⚠️ high	7.8	0.2	A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, m...	2026-09-14
CVE-2026-43687	🔶 medium	6.5	0.2	The issue was addressed with improved memory handling. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadO...	2026-09-14

These CVEs affect the same products