CVE-2025-43240

MEDIUM
6.2
CVSS Score
Published: July 29, 2025 at 11:29 PM UTC
Updated: June 17, 2026 at 09:23 AM UTC
2 products affected across 1 vendormacOSSafari

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Severity
MEDIUM6.2
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

A logic issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.6, Safari 18. 6. A download's origin may be incorrectly associated.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 15.6
Affected range stops below 15.6, so it looks safe — our inference, not a vendor statement
v < 18.6
Affected range stops below 18.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

Source: af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2025/Aug/0
Source: af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2025/Jul/32
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2025/08/02/1
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/08/msg00015.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.2MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-703

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