Is CVE-2023-40417 in the CISA KEV catalog?

No. CVE-2023-40417 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-40417?

CVE-2023-40417 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2023-40417?

CVE-2023-40417 has an EPSS score of 0.81% (53th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-40417?

Upgrade Safari to 17.0 or later.

CVE & CISA-KEV Catalog

CVE-2023-40417

MEDIUM

5.4

CVSS v3

NVD

Description

A window management issue was addressed with improved state management. This issue is fixed in Safari 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. Visiting a website that frames malicious content may lead to UI spoofing.

How to fix

Remediation Available

SafariWindows application

Affected:17.0Fixed in:17.0Apple Inc.

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.81%probability of exploitation in 30 days

53rdpercentile

Moderate risk: more likely to be exploited than 53% of all known CVEs.

References

Vendor Advisory4

Third-Party Advisory4

Other references3

Embed a live status badge for CVE-2023-40417

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.