Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5049981 KB5050021 KB5050009 KB5049984 · MSRC
What Microsoft fixes on the second Tuesday of every month – straight from the official Security Update Guide: number of vulnerabilities, critical and already exploited ones (zero-days), affected products and the history of the last 24 months.
159 of them published on Patch Tuesday (Tue, 14 Jan 2025), the rest added during the month. The month also contains 203 CVEs from other issuers that Microsoft ships in its own products (e.g. Chromium in Edge, Linux in Azure Linux) – they are not counted here. Microsoft Security Update Guide
Windows, Windows ESU (Extended Security Updates) · KB5049981 KB5050021 KB5050009 KB5049984 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5049981 KB5050021 KB5050009 KB5049984 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5049981 KB5050021 KB5050009 KB5049984 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5049983 KB5049981 KB5050021 KB5050009 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5049981 KB5050021 · MSRC
Azure · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5049981 KB5050021 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5049981 KB5050021 · MSRC
Azure · MSRC
Microsoft Office · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5049981 KB5050021 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5049981 KB5050021 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5050009 KB5049984 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5050009 KB5049984 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5049981 KB5050021 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5049981 KB5050021 · MSRC
Microsoft Office · MSRC
Microsoft Office · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5049981 KB5050021 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050009 KB5050008 KB5049983 KB5049981 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5049981 KB5050021 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5049981 KB5050021 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050009 KB5050008 KB5049983 KB5049981 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5049981 KB5050021 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5049981 KB5050021 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050009 KB5050008 KB5049983 KB5049981 · MSRC
Windows, Windows ESU (Extended Security Updates) · KB5050008 KB5049983 KB5049981 KB5050021 · MSRC
Show all 165 CVEs of this month
Number of Microsoft CVEs per Patch Tuesday by severity; the red dot shows the number of vulnerabilities already exploited. Click a month for the details.
| Month | CVE | Critical | Exploited (zero-day) | Publicly disclosed | Highest CVSS |
|---|---|---|---|---|---|
| October 2026 | 1,475 | 94 | 1 | 1 | 10.0 |
| September 2026 | 998 | 131 | 2 | 0 | 10.0 |
| August 2026 | 457 | 84 | 1 | 3 | 10.0 |
| July 2026 | 663 | 75 | 3 | 1 | 10.0 |
| June 2026 | 220 | 49 | 0 | 4 | 10.0 |
| May 2026 | 162 | 46 | 3 | 3 | 10.0 |
| April 2026 | 181 | 23 | 2 | 1 | 10.0 |
| March 2026 | 97 | 19 | 0 | 2 | 10.0 |
| February 2026 | 61 | 7 | 6 | 3 | 9.8 |
| January 2026 | 124 | 17 | 2 | 1 | 9.9 |
| December 2025 | 65 | 8 | 1 | 2 | 10.0 |
| November 2025 | 71 | 12 | 1 | 0 | 10.0 |
| October 2025 | 180 | 18 | 2 | 1 | 10.0 |
| September 2025 | 94 | 13 | 0 | 1 | 10.0 |
| August 2025 | 116 | 19 | 0 | 1 | 10.0 |
| July 2025 | 137 | 17 | 1 | 1 | 9.9 |
| June 2025 | 72 | 13 | 1 | 1 | 9.8 |
| May 2025 | 80 | 11 | 5 | 2 | 10.0 |
| April 2025 | 132 | 17 | 1 | 0 | 9.9 |
| March 2025 | 65 | 10 | 6 | 1 | 9.3 |
| February 2025 | 66 | 6 | 3 | 2 | 9.0 |
| January 2025 | 165 | 13 | 3 | 5 | 9.9 |
| December 2024 | 75 | 19 | 1 | 1 | 9.8 |
| November 2024 | 97 | 7 | 3 | 3 | 9.9 |
The tracker combines official, freely usable data sources – updated continuously:
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
We check whether your systems are affected, install updates and close the gap – continuously with the System Health Checker if you wish.