[NEW] [high] Apple macOS (Tahoe, Sonoma, and Sequoia): Multiple vulnerabilities
An attacker can exploit multiple vulnerabilities in Apple macOS Tahoe, Sonoma, and Sequoia to escalate privileges, execute arbitrary code, carry out a Denial of Service attack, disclose information, manipulate files, and bypass security measures.
CSIRTS triage
- What
- Multiple vulnerabilities can escalate privileges, execute arbitrary code, and cause Denial of Service.
- Who is affected
- Users of macOS Tahoe, Sonoma, and Sequoia.
- Urgency
- Remediation is high urgency due to the severity of the vulnerabilities.
- Action
- Update macOS to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2543
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-2025-433250.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.
- Low exploitation riskCVE-2026-206720.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.
- Elevated exploitation riskCVE-2026-2391849.7% 30-day exploitation probability — well above the norm. Schedule remediation this cycle. Riskier than 99% of all scored CVEs.
- Low exploitation riskCVE-2026-288490.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.
- Low exploitation riskCVE-2026-288960.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
- Low exploitation riskCVE-2026-289000.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.
- Low exploitation riskCVE-2026-289110.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all scored CVEs.
- Low exploitation riskCVE-2026-289120.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all scored CVEs.
- Low exploitation riskCVE-2026-289140.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all scored CVEs.
- Low exploitation riskCVE-2026-289260.09% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 0% of all scored CVEs.
Referenced CVEs
+12 more CVEs referenced in this advisory.
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- medium[NEW] [medium] WebKitGTK: Multiple vulnerabilitiescert-bund
- medium[NEW] [medium] Apple Safari: Multiple vulnerabilitiescert-bund
- medium[NEW] [medium] Apple iOS and iPadOS: Multiple vulnerabilitiescert-bund
- high[UPDATE] [high] Apache HTTP Server: Multiple vulnerabilitiescert-bund
- unknownNCSC-2026-0267 [1.00] [M/H] Vulnerabilities fixed in Apple MacOSncsc-nl
- unknownNCSC-2026-0266 [1.00] [M/H] Vulnerabilities fixed in Apple iOS and iPadOSncsc-nl
- unknownApple Products Multiple Vulnerabilitieshkcert
- unknownMultiple vulnerabilities in Apple products (July 28, 2026)cert-fr-avis
- highCVE-2026-43755: A race condition was addressed with improved state management. This issue is fixed in macOS So…nvd
- mediumCVE-2026-43754: This issue was addressed with improved redaction of sensitive information. This issue is fixed…nvd
- mediumCVE-2026-43753: An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS …nvd
- criticalCVE-2026-43750: A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Se…nvd
Recent advisories for Apple macOS
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.
- unknownNCSC-2026-0267 [1.00] [M/H] Vulnerabilities fixed in Apple MacOSncsc-nl · 2026-07-28
- critical[UPDATE] [critical] Apple macOS: Multiple Vulnerabilitiescert-bund · 2026-07-15
- high[UPDATE] [high] Apple macOS Sequoia, Sonoma, and Ventura: Multiple Vulnerabilitiescert-bund · 2026-07-15
- high[UPDATE] [high] Apple macOS: Multiple vulnerabilitiescert-bund · 2026-07-15
- unknownNCSC-2026-0214 [1.00] [M/H] Vulnerabilities fixed in Apple MacOSncsc-nl · 2026-06-30
- criticalexploitedCVE-2025-43300: Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerabilitycisa-kev · 2025-08-21
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