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 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 has recorded CVE-2026-20863 as an elevation-of-privilege vulnerability in the Windows Win32k kernel subsystem, and organizations should treat this as a high-priority remediation and detection task until every affected host in their estate is patched and verified. Background / Overview...
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 registration of CVE-2026-20848 as an SMB Server elevation-of-privilege entry in the Security Update Guide is an authoritative signal that Windows administrators must treat this as a real operational risk and prioritize remediation and hardening immediately.
Background / Overview
The...
Microsoft’s security portal registers CVE-2026-20849 as a Kerberos-related elevation-of-privilege vulnerability in Windows, and the entry — while authoritative about impact class — leaves critical exploit mechanics and low-level root causes deliberately sparse; the vendor’s confidence signal...
Microsoft’s formal entry for CVE-2026-20848 confirms an elevation-of-privilege vulnerability in the Windows SMB Server component and places the issue squarely in the January 2026 security rollup; the vendor’s terse public advisory establishes the vulnerability’s existence but intentionally...
Microsoft’s update guide lists CVE‑2026‑20947 as a remote code execution (RCE) vulnerability affecting Microsoft SharePoint Server, but public technical detail is deliberately sparse—putting this advisory squarely into the “vendor‑acknowledged but opaque” category of risk where urgency is high...
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 update entry for CVE‑2026‑20963 names a new remote code execution (RCE) concern tied to on‑premises Microsoft SharePoint Server and flags the vendor’s confidence metric as the central signal administrators should use to prioritise action: the identifier exists in the Microsoft...
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 has assigned CVE-2026-20959 to a SharePoint Server presentation‑layer (spoofing) vulnerability, and administrators should treat the entry as a vendor‑tracked, high‑urgency condition that requires immediate triage and likely patching or mitigations depending on the MSRC mapping for each...
Microsoft’s January 2026 security roll‑up includes a newly tracked elevation‑of‑privilege entry — CVE‑2026‑20943 — tied to Microsoft Office Click‑to‑Run (C2R) components, and system administrators should treat the advisory as confirmed and actionable while understanding that public technical...
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 has recorded CVE-2026-20938 as a vulnerability in Windows’ Virtualization‑Based Security (VBS) Enclave that can be leveraged by an authorized local actor to escalate privileges; Microsoft’s Update Guide identifies the entry as requiring administrators to map the CVE to per‑SKU KB...
Microsoft’s January 2026 security roll‑up includes CVE‑2026‑20927, a Server Message Block (SMB) Server vulnerability Microsoft classifies as a denial‑of‑service (DoS) issue; administrators should assume this flaw is actionable and prioritize patching, network isolation, and targeted mitigations...
Microsoft’s advisory for CVE-2026-20938 describes an elevation-of-privilege weakness in Windows’ Virtualization‑Based Security (VBS) Enclave, a security boundary designed to isolate sensitive runtime code and secrets; the vendor’s guidance makes the vulnerability’s existence clear and requires...
Microsoft’s advisory entry for CVE-2026-20932 confirms a Windows File Explorer information‑disclosure defect in the January 2026 update set, but the vendor’s public guidance is deliberately terse and leaves several technical details unverified — forcing administrators to treat the flaw as an...