CVE-2026-43723: A path handling issue was addressed with improved validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.

highCVSS 7.8CVE-2026-43723

A path handling issue was addressed with improved validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to gain root privileges.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: high — CVSS 7.8
Published: 2026-07-27
Last updated: 2026-07-28
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-43723

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-437230.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-43723	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

high[NEW] [high] Apple macOS (Tahoe, Sonoma, and Sequoia): Multiple vulnerabilitiescert-bund
medium[NEW] [medium] Apple iOS and iPadOS: Multiple vulnerabilitiescert-bund
unknownNCSC-2026-0267 [1.00] [M/H] Vulnerabilities fixed in Apple MacOSncsc-nl
unknownNCSC-2026-0266 [1.00] [M/H] Vulnerabilities fixed in Apple iOS and iPadOSncsc-nl

Recent advisories for A path handling

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownCVE-2026-67247: A path traversal vulnerability was found in the IHM Log handling of ADM. The vulnerability occ…nvd · 2026-07-30
unknownCVE-2026-56390: GNU Bison improperly handles grammar‑defined output paths. Grammar directives such as %output …nvd · 2026-07-29
criticalCVE-2026-64740: A parsing issue in the handling of directory paths was addressed with improved path validation…nvd · 2026-07-27
criticalCVE-2026-64731: A path handling issue was addressed with improved validation. This issue is fixed in macOS Seq…nvd · 2026-07-27
highCVE-2026-43749: A parsing issue in the handling of directory paths was addressed with improved path validation…nvd · 2026-07-27
highCVE-2026-65921: A path validation weakness in archive extraction/write handling allows entries with traversal …nvd · 2026-07-27