CVE-2026-43740

MEDIUM

CVSS v3.1: 6.5

NetworkNo privilegesMemory CorruptionUse After Free

Source data as of:

At a glance

Severity
MEDIUM
CVSS
6.5 v3.1 · NVD
EPSS
EPSS not provided by FIRST.org for this CVE
CISA KEV
No
Type
Memory Corruption, Use After Free · NVD CWE
Attack conditions (CVSS vector)
NetworkNo privileges · Source: NVD Vector
Published
2026-06-29 · Modified: 2026-06-29
References
Jump to references (3)

CVSS / EPSS / KEV

CVSS v3.1 6.5 / 10 MEDIUM Source: NVD
EPSS — EPSS not provided by FIRST.org for this CVE Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may result in the disclosure of process memory.

Record details

CVE ID
CVE-2026-43740
CVSS (v3.1)
6.5 (MEDIUM)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Exploitability subscore
2.8
Impact subscore
3.6
CISA KEV
No
Weakness (CWE)
CWE-119, CWE-416
Affected configurations (CPE)
0
Published
2026-06-29
Modified
2026-06-29
Status
Received

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Same weakness type (CWE)

CVE-2026-2776 CRITICAL CVSS 10.0 CVE-2026-2778 CRITICAL CVSS 10.0 CVE-2026-0879 CRITICAL CVSS 9.8 CVE-2026-2773 CRITICAL CVSS 9.8

Published the same year

CVE-2026-0881 CRITICAL CVSS 10.0 CVE-2026-2760 CRITICAL CVSS 10.0 CVE-2026-2761 CRITICAL CVSS 10.0 CVE-2026-2768 CRITICAL CVSS 10.0
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