CVE-2026-112526

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A remote attacker may be able to cause unexpected app termination.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.apple.com/en-us/149521	Vendor Advisory
https://support.apple.com/en-us/149522	Vendor Advisory
https://support.apple.com/en-us/149523	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:macos::::::::

History

05 Nov 2026, 13:43

Type	Values Removed	Values Added
First Time		Apple Apple macos
References	~~() https://support.apple.com/en-us/149521 -~~	() https://support.apple.com/en-us/149521 - Vendor Advisory
References	~~() https://support.apple.com/en-us/149522 -~~	() https://support.apple.com/en-us/149522 - Vendor Advisory
References	~~() https://support.apple.com/en-us/149523 -~~	() https://support.apple.com/en-us/149523 - Vendor Advisory
CPE		cpe:2.3:o:apple:macos::::::::

03 Nov 2026, 23:17

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
CWE		CWE-120

26 Oct 2026, 21:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-26 21:17

Updated : 2026-11-05 13:43

NVD link : CVE-2026-112526

Mitre link : CVE-2026-112526

CVE.ORG link : CVE-2026-112526

JSON object : View

Products Affected

apple

macos

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

{"id": "CVE-2026-112526", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-112526", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-11-03T21:53:46.420284Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "product-security@apple.com", "affectedData": [{"vendor": "Apple", "product": "macOS", "versions": [{"status": "affected", "version": "0", "lessThan": "15.8.2", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "26.7.2", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "27.2", "versionType": "custom"}]}]}], "published": "2026-10-26T21:17:44.980", "references": [{"url": "https://support.apple.com/en-us/149521", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/149522", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/149523", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A remote attacker may be able to cause unexpected app termination."}], "lastModified": "2026-11-05T13:43:39.693", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "855F5ECD-CA54-4DB4-8AD6-86383177270D", "versionEndExcluding": "15.8.2", "versionStartIncluding": "15.0"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C07128F2-DA38-4B58-B8F5-5F1DA299EE2C", "versionEndExcluding": "26.7.2", "versionStartIncluding": "26.0"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "12846F95-3F15-4909-9FD2-591AA176A6F0", "versionEndExcluding": "27.2", "versionStartIncluding": "27.0"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}