CVE-2023-40420
Apple Macos 12.0.0 – 12.7
CVSS Score v3.1
6.5
Click a component to see what it means
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
0.014
72th percentile
CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2023-40420 is a medium-severity an unspecified weakness vulnerability in Apple Macos. Its CVSS base score is 6.5 (Medium).
Operationally, ranked in the top 28% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-44991
Vulnerability Data
The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.6, tvOS 17, iOS 16.7 and iPadOS 16.7, macOS Monterey 12.7, watchOS 10, iOS 17 and iPadOS 17, macOS Sonoma 14. Processing web content may…
more
lead to a denial-of-service.
- CWE(s)
Related Threats
CVEs Like This One
CVE-2024-54517Same product: Apple Ipados
CVE-2023-27942Same product: Apple Ipados
CVE-2026-28987Same product: Apple Ipados
CVE-2023-41071Same product: Apple Ipados
CVE-2025-31255Same product: Apple Ipados
CVE-2023-42898Same product: Apple Ipados
CVE-2025-43329Same product: Apple Ipados
CVE-2024-54522Same product: Apple Ipados
CVE-2023-38596Same product: Apple Ipados
CVE-2023-23499Same product: Apple Ipados
Affected Assets
apple
ipados
≤ 16.7
apple
iphone os
≤ 16.7
apple
macos
12.0.0 — 12.7 · 13.0 — 13.6
apple
tvos
≤ 17.0
apple
watchos
≤ 10.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.