elevation of privilege

Microsoft today confirmed a high‑severity elevation‑of‑privilege flaw in the Windows Ancillary Function Driver for WinSock (AFD.sys) tracked as CVE‑2026‑25176, a kernel‑level improper access control defect that — if left unpatched — allows a locally authorized, low‑privileged user to elevate to...

Microsoft has patched an elevation-of-privilege vulnerability in the Windows Accessibility Infrastructure (ATBroker.exe) as part of the March 10, 2026 Patch Tuesday, closing a local privilege-escalation vector that could be weaponized after an attacker obtains a foothold on a machine. The...

Microsoft’s March Patch Tuesday added another Windows kernel elevation-of-privilege entry to the list: CVE-2026-24289, an Important-rated Windows Kernel vulnerability that Microsoft patched as part of the March 10, 2026 security updates. This is one of dozens of elevation-of-privilege (EoP)...

Microsoft shipped an urgent fix on Patch Tuesday for a newly catalogued elevation-of-privilege flaw in the Windows Universal Disk Format File System Driver (UDFS), tracked as CVE-2026-23672, closing a local attack path that could let low‑privilege users escalate to SYSTEM on affected machines...

Microsoft’s Security Response Center has published an advisory entry for CVE‑2026‑21251 — labeled as a Cluster Client Failover (CCF) elevation‑of‑privilege issue — and paired it with a confidence rating that deserves immediate attention from Windows administrators, security teams, and anyone who...

Microsoft has recorded CVE-2026-21253 — listed as a Mailslot File System Elevation of Privilege vulnerability — in its Security Update Guide, and at present the public vendor advisory provides only a terse confirmation of the issue rather than a deep technical breakdown; defenders must therefore...

Microsoft’s security guidance confirms a kernel‑mode flaw in the Windows HTTP protocol stack that can be abused for local or network‑proximal privilege escalation—an urgent remediation item for administrators that host HTTP.sys‑backed services. (msrc.microsoft.com) Background HTTP.sys is the...

Microsoft’s public record for CVE‑2026‑21508 places this as another entry in a familiar—and dangerous—class of Windows kernel vulnerabilities: an elevation‑of‑privilege (EoP) issue tied to the Windows storage virtualization stack. The vendor’s Security Update Guide entry confirms the...

Microsoft’s Security Response Center has recorded CVE-2026-21235 as an Elevation of Privilege (EoP) vulnerability in the Windows Graphics Component, a class of bugs that routinely offers attackers a powerful local escalation primitive; the vendor entry exists in the MSRC “Update Guide” but — as...

Microsoft’s advisory for CVE-2026-21517 confirms a local Elevation of Privilege (EoP) vulnerability in the Windows App (macOS-targeted) installer components that can allow a low‑privilege user or process to obtain administrative or SYSTEM‑equivalent rights on a vulnerable host. The vendor record...

Below is a long-form, technically grounded feature on CVE-2026-24305 (Azure Entra ID — Elevation of Privilege). I’ve drawn on the official vendor signals that are currently public, independent vulnerability trackers, and the analyst notes you provided to explain what is known, what is uncertain...

Microsoft’s security catalog now records CVE-2026-24306, an elevation-of-privilege vulnerability affecting Azure Front Door, and the public record at the time of publication is intentionally sparse: Microsoft’s advisory entry is available but rendered through a JavaScript-driven portal (so...

Microsoft has assigned CVE‑2026‑20931 to a privilege‑escalation flaw in the Windows Telephony Service, a component long tied to the Telephony Application Programming Interface (TAPI) and enterprise VoIP/telephony integrations; Microsoft’s advisory lists the issue as an Elevation of Privilege...

Microsoft has recorded CVE-2026-20873 as an Elevation of Privilege (EoP) vulnerability affecting Windows Management Services (WMS), and the flaw is included in Microsoft’s January 2026 security roll-up — a vendor-confirmed issue that administrators must triage, map to the correct KBs for their...

Microsoft has recorded CVE-2026-20874 as an Elevation of Privilege vulnerability affecting Windows Management Services (WMSvc), and the issue appears in the vendor’s January 2026 security rollup — making it a confirmed, high-priority item for administrators responsible for management-plane hosts...

Microsoft’s Security Update Guide lists CVE-2026-20874 as an Elevation of Privilege affecting Windows Management Services (WMS) — a vendor-acknowledged flaw that has been rolled into the January 2026 cumulative updates and must be treated as a high-priority operational risk for management hosts...

Microsoft’s Security Update Guide records CVE-2026-20867 as an Elevation of Privilege affecting Windows Management Services (WMS), and the vendor’s terse advisory — together with Microsoft’s “confidence” signal — makes this a high‑priority operational item for administrators of management hosts...

Microsoft has recorded CVE-2026-20866 as an Elevation of Privilege vulnerability affecting Windows Management Services (WMS) and delivered the fix as part of the January 2026 security roll‑up; the vendor advisory confirms the existence and impact class but publishes minimal low‑level exploit...

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...

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...