CVE-2026-43706: A double free issue was addressed with improved memory management. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web conte

mediumCVSS 6.5CVE-2026-43706

A double free issue was addressed with improved memory management. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: medium — CVSS 6.5
Published: 2026-06-29
Last updated: 2026-06-30
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-43706

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-2026-437060.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-43706	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownApple Products Multiple Vulnerabilitieshkcert
unknownNCSC-2026-0215 [1.00] [M/H] Vulnerabilities fixed in Apple iOS and iPadOSncsc-nl
unknownNCSC-2026-0214 [1.00] [M/H] Vulnerabilities fixed in Apple MacOSncsc-nl
unknownMultiple vulnerabilities in Apple products (June 30, 2026)cert-fr-avis

Recent advisories for A double free

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.

mediumCVE-2026-58381: A flaw was found in GIMP's PSP file format parser. A double-free condition occurs in the read_…nvd · 2026-07-02
mediumCVE-2026-8925: SASL double-freemsrc · 2026-07-02
highCVE-2026-14164: A double free issue has been identified in libarchive's RAR5 reader. During parsing of a speci…nvd · 2026-06-30
unknownCVE-2026-53286: In the Linux kernel, the following vulnerability has been resolved: idpf: fix double free and …nvd · 2026-06-26
unknownCVE-2026-12043 - Heap double-free in AWS Common Runtime aws-c-httpaws · 2026-06-12
criticalCVE-2026-52993: tipc: fix double-free in tipc_buf_append()msrc · 2026-06-09