Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (microsoft) · only source for this CVE.
CVSS VectorVendor: microsoft
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in the Microsoft Windows Search Component affects Windows 11 (24H2, 25H2, 26H1) and Windows Server 2025, where a heap-based buffer overflow lets an already-authenticated local attacker corrupt memory and elevate to higher privileges (up to SYSTEM). The CVSS 3.1 score of 7.8 reflects local-only attack with low privileges required and no user interaction, yielding full confidentiality, integrity, and availability impact. …
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Within 24 hours, identify and catalog all Windows 11 (24H2, 25H2, 26H1) and Windows Server 2025 systems in your environment and assess current patch status. …
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Same weakness CWE-122 – Heap-based Buffer Overflow
View allSame technique Heap Overflow
View allShare
External POC / Exploit Code
Leaving vuln.today
EUVD-2026-44135
GHSA-mm6q-2w3c-5qj2