[NEW] [medium] Apple Safari: Multiple vulnerabilities

mediumCVE-2026-43740 CVE-2026-43792 CVE-2026-43804 CVE-2026-43821 CVE-2026-64713 CVE-2026-64718

An attacker can exploit multiple vulnerabilities in Apple Safari to disclose confidential information, bypass security measures, manipulate data, conduct spoofing attacks, or cause a Denial-of-Service condition.

CSIRTS triage

vendor: Apple product: Safari Information disclosure Authentication bypass Denial of service

What: Multiple vulnerabilities can disclose confidential information and cause Denial of Service.
Who is affected: Users of Apple Safari.
Urgency: Remediation is medium urgency as it affects user data and service availability.
Action: Update Safari to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-07-28
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2546

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-2026-437400.40% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 33% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-437920.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-438040.43% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-438210.45% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-647130.47% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-647180.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-647190.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 35% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-647280.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 31% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-647300.48% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-647570.47% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-43740	coverage & exploitation status	NVD · CVE.org
CVE-2026-43792	coverage & exploitation status	NVD · CVE.org
CVE-2026-43804	coverage & exploitation status	NVD · CVE.org
CVE-2026-43821	coverage & exploitation status	NVD · CVE.org
CVE-2026-64713	coverage & exploitation status	NVD · CVE.org
CVE-2026-64718	coverage & exploitation status	NVD · CVE.org
CVE-2026-64719	coverage & exploitation status	NVD · CVE.org
CVE-2026-64728	coverage & exploitation status	NVD · CVE.org
CVE-2026-64730	coverage & exploitation status	NVD · CVE.org
CVE-2026-64757	coverage & exploitation status	NVD · CVE.org
CVE-2026-64783	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownNCSC-2026-0371 [1.00] [M/H] Kwetsbaarheden verholpen in Apple macOS en Samba door Apple en Sambancsc-nl
unknownNCSC-2026-0370 [1.00] [M/H] Kwetsbaarheden verholpen in Apple iOS en iPadOSncsc-nl
high[NEU] [hoch] Apple iOS, iPadOS, macOS Tahoe, macOS Golden Gate, macOS Sequoia und Safari: Mehrere Schwachstell…cert-bund
high[UPDATE] [hoch] Apple macOS (Tahoe, Sonoma und Sequoia): Mehrere Schwachstellencert-bund
medium[UPDATE] [mittel] Apple iOS und iPadOS: Mehrere Schwachstellencert-bund
unknownApple Products Multiple Vulnerabilitieshkcert
high[UPDATE] [hoch] WebKitGTK: Mehrere Schwachstellencert-bund
medium[NEW] [medium] WebKitGTK: Multiple vulnerabilitiescert-bund
unknownUSN-8703-1: WebKitGTK vulnerabilitiesubuntu
unknownDSA-6463-1 webkit2gtk - security updatedebian
unknownMultiple vulnerabilities in Apple products (August 18, 2026)cert-fr-avis
unknownNCSC-2026-0267 [1.00] [M/H] Vulnerabilities fixed in Apple MacOSncsc-nl

Recent advisories for Apple Safari

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.

high[NEU] [hoch] Apple iOS, iPadOS, macOS Tahoe, macOS Golden Gate, macOS Sequoia und Safari: Mehrere Schwachstell…cert-bund · 2026-09-15
high[UPDATE] [hoch] Apple Safari, macOS, iOS und iPadOS: Mehrere Schwachstellencert-bund · 2026-09-15