windows security

Microsoft has assigned CVE‑2026‑20872 to a new NTLM hash disclosure / spoofing vulnerability that affects the Windows Shell and File Explorer family of components — a class of bugs that historically allows a crafted file or metadata to cause a client to resolve an attacker‑controlled UNC/SMB...

Microsoft’s Security Update Guide now records CVE-2026-20871 as a Desktop Window Manager (DWM) elevation‑of‑privilege issue, and the vendor’s published “confidence” signal must be read as an operational triage cue: treat the CVE as a confirmed, high‑value local EoP that requires immediate...

Microsoft’s January 2026 security update wave confirmed an elevation-of-privilege vulnerability in the Desktop Window Manager (DWM) component of Windows, tracked as CVE-2026-20871, and the vendor’s advisory attaches a “confidence” metric that explicitly signals how certain Microsoft is about the...

Microsoft has recorded CVE-2026-20870 as an elevation-of-privilege flaw in the Windows Win32 kernel subsystem; the vendor’s public entry confirms the existence of a kernel-level local EoP and attaches Microsoft’s “confidence” metric to the record — a signal administrators should treat as an...

Microsoft’s Security Update Guide now records CVE-2026-20866 as an Elevation‑of‑Privilege (EoP) affecting Windows Management Services (WMS), and the vendor’s use of a confidence/exploitability signal is the most important immediate triage cue for administrators responsible for management‑plane...

Microsoft’s Security Update Guide registers CVE-2026-20861 as an Elevation of Privilege vulnerability in Windows Management Services (WMS) — a management‑plane component that routinely runs with elevated privileges — and the flaw was included in Microsoft’s January 13, 2026 Patch Tuesday rollup...

Microsoft has recorded CVE-2026-20863 as a Win32k kernel Elevation of Privilege (EoP) vulnerability, and the vendor’s terse advisory — paired with its named “confidence” metric — requires immediate, pragmatic attention: confirm affected builds in your inventory, apply the Microsoft update that...

Microsoft’s security advisory listing for CVE-2026-21219 identifies a remote code execution risk in the Windows Inbox COM Objects (Global Memory) code paths — a family of memory-safety defects that Microsoft has acknowledged and for which vendor updates are the recommended remediation...

Thanks — quick clarification before I write the full (2000+ word) WindowsForum-style article: 1) Do you mean CVE-2026-21219 exactly, or one of the closely related Inbox COM Objects CVEs published in October 2025 (for example CVE-2025-58731, CVE-2025-58732, CVE-2025-58736, etc.? I searched public...

Microsoft has assigned CVE-2026-20854 to a newly disclosed vulnerability in the Windows Local Security Authority Subsystem Service (LSASS) that Microsoft and several security vendors classify as a critical remote code execution risk; the flaw was included in the January 2026 Patch Tuesday...

Microsoft has recorded CVE-2026-20853 as an Elevation of Privilege vulnerability affecting the Windows WalletService; the entry appears in the vendor’s Security Update Guide as part of the January 2026 patch wave and should be treated as an actionable local privilege‑escalation risk for...

A newly disclosed and patched vulnerability—tracked as CVE-2026-20854—targets the Windows Local Security Authority Subsystem Service (LSASS) and is classified as a remote code execution (RCE) weakness that can be triggered over the network without elevated privileges. The issue was bundled into...

Microsoft has recorded CVE-2026-20853 — an elevation‑of‑privilege vulnerability affecting the Windows WalletService — in its Security Update Guide, but the vendor’s public entry currently provides only a terse existence/impact notice while withholding low‑level exploit details, leaving defenders...

Microsoft’s Security Update Guide lists CVE-2026-20843 as an elevation‑of‑privilege vulnerability in the Windows Routing and Remote Access Service (RRAS), but public technical details remain sparse and defenders should treat affected hosts as high‑priority for inventory, patching, and...

Title: CVE-2026-20843 — Windows RRAS Elevation-of-Privilege: Technical review, evidence-of-existence, and operational guidance Summary What this is: CVE-2026-20843 is a Microsoft-tracked vulnerability affecting the Windows Routing and Remote Access Service (RRAS / RemoteAccess). Public vendor...

Microsoft’s Security Update Guide lists CVE-2026-20830 as an elevation-of-privilege issue affecting the Capability Access Management Service (camsvc), but the vendor’s public entry is terse and delivered via an interactive, client-side page — meaning defenders must treat the advisory as...

Microsoft’s advisory record and community triage indicate a local Elevation of Privilege vulnerability affecting the Capability Access Management Service (camsvc) identified as CVE‑2026‑21221, but the public technical footprint remains deliberately sparse: the MSRC Security Update Guide entry...

Microsoft’s Security Update Guide lists CVE-2026-20830 as an elevation-of-privilege (EoP) vulnerability affecting the Capability Access Management Service (camsvc) — an inbox, elevated Windows service that mediates capability and permission checks between processes — but the vendor’s public...

Microsoft’s Security Update Guide lists CVE-2026-20940 as an elevation-of-privilege (EoP) vulnerability in the Windows Cloud Files Mini Filter Driver, and defenders should treat any new Cloud Files mini-filter entry as a high-priority patch-and-hunt item until proven otherwise. Background /...

Microsoft’s Security Update Guide lists CVE-2026-20940 as an elevation‑of‑privilege issue in the Windows Cloud Files Mini Filter Driver (the kernel component commonly seen as cldflt.sys), and administrators should treat it as a high‑priority local escalation risk while they map the vendor KBs...