CVE-2025-24135

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{"affected": [{"affectedData": [{"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "15.3", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "38BA63B3-CC2C-4E63-AE2C-B8DB08B5E89B", "versionEndExcluding": "15.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "This issue was addressed with improved message validation. This issue is fixed in macOS Sequoia 15.3. An app may be able to gain elevated privileges."}, {"lang": "es", "value": "Este problema se solucion\u00f3 con una validaci\u00f3n de mensajes mejorada. Este problema se solucion\u00f3 en macOS Sequoia 15.3. Es posible que una aplicaci\u00f3n pueda obtener privilegios elevados."}], "id": "CVE-2025-24135", "lastModified": "2026-06-17T08:58:09.247", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-24135", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-03-25T13:34:17.540149Z", "version": "2.0.3"}}]}, "published": "2025-01-27T22:15:18.247", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/122068"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/Jan/15"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-276"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-28T04:04:17.638418+00:00", "value": {"mitigation_remediation": ["Install macOS Sequoia\u202f15.3 or later to apply the improved message validation fix.", "If an immediate upgrade is not feasible, restrict the launch of unverified third\u2011party applications by enabling Gatekeeper and enforcing the App Sandbox to prevent them from sending crafted messages.", "Review application permissions and remove unnecessary elevated privileges for user\u2011level software to limit potential exploitation vectors."], "summary": {"action": "Immediate Patch", "impact": "Privilege Escalation"}, "threat_synthesis": {"affected_systems": "Affected Apple macOS systems include versions prior to macOS Sequoia\u202f15.3, which implements the fix. All earlier releases of Sequoia (e.g., 15.2 and earlier) remain susceptible until the update is applied. Users running older macOS iterations are at risk if they install or run applications that can exploit the message validation weakness.", "description_and_impact": "The vulnerability stems from inadequate message validation that permits an application to send a crafted input to a system component, leading to elevated privileges. This flaw is classified as CWE\u2011276, which relates to improper enforcement of privilege restrictions. An attacker who can run or influence the vulnerable application may achieve unauthorized privilege escalation, compromising system integrity and confidentiality.", "risk_and_exploitability": "The CVSS score of 7.8 indicates a high severity, but the EPSS score of below 1% suggests a very low probability of active exploitation at present. The vulnerability is not listed in the CISA KEV catalog, reinforcing its lower exploitation risk. Nevertheless, if deployed in an environment with untrusted applications, the flaw could be leveraged locally by sending malicious messages, so it should be patched promptly."}}}}, "created": "2026-04-28T04:15:16.037200+00:00", "title": "Message Validation Flaw Allows Privilege Escalation in macOS Sequoia", "updated": "2026-04-28T04:15:16.037210+00:00", "vendors": []}