patch management

Microsoft’s Security Update Guide lists dozens of CSC/Offline Files fixes over the past two years, but a clear, verifiable vendor entry for CVE-2026-20839 could not be located in public vendor and national vulnerability feeds at the time of writing — treat that identifier as unverified until the...

Microsoft’s advisory for CVE-2026-20836 names a DirectX Graphics Kernel elevation-of-privilege issue tied to the kernel-mode graphics driver (dxgkrnl.sys), but at the time of writing the vendor’s entry is rendered dynamically and the public record for this specific CVE is thin: the Security...

Microsoft has recorded CVE‑2026‑20833 as an information‑disclosure vulnerability affecting Windows’ Kerberos authentication stack, and while the vendor acknowledgement makes the defect real and actionable, the public record is intentionally terse — leaving defenders with firm guidance to patch...

Microsoft has recorded CVE‑2026‑20827 — an information disclosure vulnerability in the Tablet Windows User Interface (TWINUI) subsystem — and it is included in the vendor’s Update Guide as part of the January 2026 security rollup, meaning administrators and power users should treat this as an...

Microsoft has added CVE-2026-20824 to its Security Update Guide: a protection-mechanism failure in Windows Remote Assistance that Microsoft describes as a security feature bypass allowing a local, unauthorized attacker to circumvent a protection mechanism on affected systems. The entry appeared...

Microsoft’s advisory for CVE-2026-20826 identifies an information-disclosure flaw in the Tablet Windows User Interface (TWINUI) subsystem — a privileged component that touches user-facing composition and UI surfaces — and scores the vendor’s confidence in the report as an operationally important...

Microsoft has recorded CVE-2026-20825 — an improper access control vulnerability in Windows Hyper‑V that, according to the vendor summary, permits an authorized local attacker to disclose sensitive information on the host. The public advisory entry is terse: it classifies the flaw as an...

Microsoft’s security update listing for CVE-2026-20819 identifies an untrusted pointer dereference in the Windows Virtualization‑Based Security (VBS) enclave that can be induced by an authorized local actor to disclose sensitive information from inside the enclave, and Microsoft has published an...

Microsoft’s security tracker lists CVE-2026-20823 as an information‑disclosure defect in Windows File Explorer that can allow an authorized local attacker to disclose information from a host; the vendor entry is terse and administrators should treat this as a high‑priority local post‑compromise...

Microsoft has assigned CVE‑2026‑20814 to a recently disclosed vulnerability in the DirectX Graphics Kernel (dxgkrnl.sys) that Microsoft classifies as an elevation of privilege issue; the vendor’s Security Update Guide lists the entry and maps it to updates administrators must apply to remediate...

Microsoft has issued a security advisory for a serious Win32k kernel vulnerability — an ICOMP type‑confusion bug that can be triggered by an authorized local user to escalate to SYSTEM — and organizations should treat this as a high‑priority elevation‑of‑privilege (EoP) risk until every affected...

Microsoft has recorded a Desktop Window Manager (DWM) information‑disclosure vulnerability under the identifier CVE‑2026‑20805; the vendor advisory classifies the issue as an information disclosure that can allow an authorized local actor to read sensitive information on a vulnerable host, and...

Microsoft’s advisory identifies CVE-2026-20809 as a time-of-check/time-of-use (TOCTOU) race condition in Windows kernel memory that can be abused by an authorized local user to gain SYSTEM privileges — in short, a local elevation-of-privilege (EoP) vulnerability rooted in kernel memory...

Microsoft has confirmed a new security record — CVE-2026-0386 — tied to Windows Deployment Services (WDS) that, according to the vendor entry, stems from an improper access control issue capable of enabling remote code execution by an unauthenticated actor on an adjacent network. This is a...

Microsoft’s Security Response Center (MSRC) has recorded CVE-2026-20804: an incorrect privilege assignment in Windows Hello that, according to the vendor summary, “allows an unauthorized attacker to perform tampering locally.” This advisory was published by Microsoft and appears in the vendor’s...

Microsoft’s Security Update Guide lists CVE-2026-20803 as a Microsoft SQL Server elevation‑of‑privilege vulnerability caused by missing authentication for a critical function, and the vendor’s advisory states that an authorized attacker who can send SQL requests to an affected instance may be...

Microsoft will start issuing separate KB identifiers for updates to Windows 11 (versions 24H2 and 25H2) and Windows Server 2025 beginning with the January 2026 security update, a small-looking administrative change that carries outsized implications for enterprise patching, telemetry, and the...

The Linux kernel CVE-2025-38483 disclosure fixes a small but meaningful defensive-programming error in the COMEDI das16m1 driver that could lead to an out‑of‑bounds left-shift when a user-supplied IRQ number is used without sanity checks. The upstream patch enforces explicit bounds on the...

CISA has added two vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog — an archival Microsoft PowerPoint code-injection flaw (CVE-2009-0556) and a newly disclosed, critical HPE OneView code-injection/remote-code-execution vulnerability (CVE-2025-37164) — citing evidence of...

On October 14, 2025 Microsoft formally ended mainstream security updates for Windows 10, leaving millions of otherwise serviceable PCs exposed to future vulnerabilities — but you do not have to treat that as an inevitable decline into insecurity. With a carefully chosen set of free tools and a...