Buffer Overflow (CWE-119)
9.8
CVSS 3.1 · Vendor: apple
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Severity by source
Vendor (apple)
PRIMARY
9.8
CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (apple) · only source for this CVE.
CVSS VectorVendor: apple
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
5
Analysis Generated
Jul 28, 2026 - 16:27 vuln.today
CVSS changed
Jul 28, 2026 - 16:22 NVD
9.8 (CRITICAL)
Patch available
Jul 27, 2026 - 21:17 EUVD
CVE Published
Jul 27, 2026 - 20:13 cve.org
UNKNOWN (no severity yet)
CVE Published
Jul 27, 2026 - 20:13 cve.org
CRITICAL 9.8
DescriptionCVE.org
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote user may be able to cause unexpected system termination or corrupt kernel memory.
AnalysisAI
Remote exploitation of a buffer overflow in the macOS kernel allows unauthenticated attackers to corrupt kernel memory or unexpectedly terminate the system, potentially leading to
Same weakness CWE-119 – Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).
EUVD-2026-49532
GHSA-mfw2-j7q6-gm5v