CVE-2026-40378 Windows Local Security Authority Subsystem Service (LSASS) Denial of Service Vulnerability

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CVE-2026-40378

CVE-2026-40378 affects Windows Local Security Authority Subsystem Service (LSASS). A memory allocation with an excessive size value can allow an unauthenticated attacker to cause a network-based denial of service. The CVSSv3.1 base score is 7.5 (HIGH). No exploitation details are provided in the ...

CVE-2026-40378 Windows Local Security Authority Subsystem Service (LSASS) Denial of Service Vulnerability

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CVE-2026-41087

CVE-2026-41087 affects Windows File Explorer; a local attacker can cause exposure of sensitive information to obtain disclosure on the host. The vulnerability is rated CVSSv3.1: 5.5 (Medium) with Local access, Low attack complexity, Privileges Required: Low, no user interaction, and Confidentiali...

CVE-2026-33842

The CVE-2026-33842 entry describes a local information disclosure in Windows File Explorer. The vulnerability allows an authorized (low privileges) attacker to disclose sensitive information locally through the File Explorer component. Per the NVD entry, the impact is confined to confidentiality ...

CVE-2026-34328

CVE-2026-34328 describes an information-disclosure issue in Windows Audio Service, allowing a local attacker with low privileges to disclose sensitive information. Affected: Windows Audio Service (Windows). Root cause details are not provided beyond the high-level description. CVSS v3.1 base scor...

CVE-2026-58636

Microsoft Windows PC Manager is affected by CVE-2026-58636 due to improper link resolution before file access ("link following"), enabling an authenticated local attacker to elevate privileges. Current records indicate a local privilege escalation with high impact, but do not specify affected ver...

CVE-2026-58640

CVE-2026-58640 is a heap-based buffer overflow in Windows NTFS that enables an authorized local attacker to execute code. The vulnerability is tied to Windows NTFS logic and has a CVSS v3.1 score of 7.3 (HIGH) with local access required and user interaction. Affected component: Windows NTFS; root...

CVE-2026-58618

CVE-2026-58618 : Heap-based buffer overflow in Microsoft Office Excel can allow a local attacker to execute code. Affects Excel components implicated in the heap overflow; CVSS 3.1 base score 7.8 (High). Exploitation is local and requires user interaction. Current connected docs reference Microso...

CVE-2026-58614

An out-of-bounds read in the Windows Kernel allows an authorized, local attacker to bypass a security feature. The CVE-2026-58614 entry notes a local vector with Privileges Required: Low and no user interaction, Confidentiality Impact: High, Impact on Availability/Integrity: none, giving a CVSS v...

CVE-2026-58610

CVE-2026-58610: A heap-based buffer overflow in Microsoft Windows Media Foundation is described as allowing an unauthorized attacker to execute code locally. The NVD entry confirms the vulnerability and impact (local code execution) with a CVSS 3.1 base score of 7.8 (HIGH) and a local attack vect...

CVE-2026-58602

CVE-2026-58602 is a Windows kernel-mode-driver vulnerability described as a use-after-free that enables an authorized, local attacker to achieve elevation of privilege. The public documents do not provide product/vendor specifics beyond “Windows kernel” and “kernel-mode driver,” nor details on af...

CVE-2026-58601

CVE-2026-58601 describes a heap-based buffer overflow in the Virtual Hard Disk (VHD) Miniport Driver that allows an authorized, local attacker to elevate privileges. The available description specifies a local-privelege-escalation impact, but does not provide product/version specifics, exploitati...

CVE-2026-58526

Technical details (affected product/component/root cause/versions/exploit info) are not publicly available in the provided documents. Monitor updates from NVD/CVE records and vendor advisories for any forthcoming specifics.

CVE-2026-55014

CVE-2026-55014 concerns Windows Remote Help Defense with an improper access control vulnerability that lets an authorized attacker locally elevate privileges. Documented CVSSv3.1: 7.8 (HIGH) — LOCAL, LOW complexity, LOW privileges required, NONE user interaction; impact to confidentiality, integr...

CVE-2026-56193

CVE-2026-56193 describes an out-of-bounds read in Microsoft Office that allows a local attacker to disclose information. The available records indicate a high-severity impact (Confidentiality and Availability) with local access and user interaction required, but no explicit details on affected Of...

CVE-2026-54127

CVE-2026-54127 describes a use-after-free vulnerability in Windows Hyper-V that enables a local elevation of privileges. The CVSS 3.1 vector indicates a local attack, high impact on confidentiality, integrity, and availability, with no user interaction required and no privileges needed. The conne...

CVE-2026-54127

Use after free in Windows Hyper-V allows an unauthorized attacker to elevate privileges locally...

CVE-2026-56155

Insufficient granularity of access control in Active Directory Federation Services AD FS allows an authorized attacker to elevate privileges locally...

CVE-2026-55948

CVE-2026-55948 is a use-after-free vulnerability in Microsoft Office Excel that can allow local code execution. Affected: Excel (Office). Root cause: use-after-free in the Excel component. Impact: HIGH for confidentiality, integrity, and availability. CVSS v3.1 base score 7.8; attack vector LOCAL...