# Security updates released in February 2026

- Web page: https://patchblox.com/security/patch-radar/2026/02

| Platform | Fixes | CVEs | Fixes with exploited CVEs | Patch now |
|---|---:|---:|---:|---:|
| Microsoft | 29 | 38 | 14 | 14 |
| macOS | 3 | 78 | 1 | 1 |
| Linux | 2,063 | 1,576 | 9 | 9 |

## Patch Tuesday, February 10, 2026

53 CVEs, 2 Critical, 6 exploited, 3 publicly disclosed, in 29 security updates.

## Microsoft products with the most CVEs fixed

| Product | CVEs | Exploited | Patch now |
|---|---:|---:|---:|
| Windows Server | 31 | 5 | 5 |
| Windows 11 | 28 | 5 | 5 |
| Windows 10 | 24 | 5 | 5 |
| Microsoft Office | 5 | 0 | 0 |
| SharePoint Server | 2 | 0 | 0 |
| .NET and Visual Studio | 1 | 0 | 0 |
| Exchange Server | 1 | 0 | 0 |

## Microsoft updates

| Fix | Products | Released | Priority | CVEs | Exploited | Top CVE |
|---|---|---|---|---:|---:|---|
| [KB5075897](https://patchblox.com/security/data/fix/microsoft/kb5075897.md) | Windows Server 2022, 23H2 Edition (Server Core installation) | Feb 10, 2026 | Patch now | 29 | 5 | CVE-2026-21510 |
| [KB5075899](https://patchblox.com/security/data/fix/microsoft/kb5075899.md) | Windows Server 2025, Windows Server 2025 (Server Core installation) | Feb 10, 2026 | Patch now | 29 | 5 | CVE-2026-21510 |
| [KB5075942](https://patchblox.com/security/data/fix/microsoft/kb5075942.md) | Windows Server 2025, Windows Server 2025 (Server Core installation) | Feb 10, 2026 | Patch now | 29 | 5 | CVE-2026-21510 |
| [KB5075906](https://patchblox.com/security/data/fix/microsoft/kb5075906.md) | Windows Server 2022, Windows Server 2022 (Server Core installation) | Feb 10, 2026 | Patch now | 27 | 5 | CVE-2026-21510 |
| [KB5075943](https://patchblox.com/security/data/fix/microsoft/kb5075943.md) | Windows Server 2022, Windows Server 2022 (Server Core installation) | Feb 10, 2026 | Patch now | 27 | 5 | CVE-2026-21510 |
| [KB5077181](https://patchblox.com/security/data/fix/microsoft/kb5077181.md) | Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems and 1 more | Feb 10, 2026 | Patch now | 27 | 5 | CVE-2026-21510 |
| [KB5077212](https://patchblox.com/security/data/fix/microsoft/kb5077212.md) | Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems and 1 more | Feb 10, 2026 | Patch now | 27 | 5 | CVE-2026-21510 |
| [KB5075941](https://patchblox.com/security/data/fix/microsoft/kb5075941.md) | Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems | Feb 10, 2026 | Patch now | 26 | 5 | CVE-2026-21510 |
| [KB5077179](https://patchblox.com/security/data/fix/microsoft/kb5077179.md) | Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems | Feb 10, 2026 | Patch now | 25 | 5 | CVE-2026-21510 |
| [KB5075904](https://patchblox.com/security/data/fix/microsoft/kb5075904.md) | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 and 1 more | Feb 10, 2026 | Patch now | 24 | 5 | CVE-2026-21510 |
| [KB5075912](https://patchblox.com/security/data/fix/microsoft/kb5075912.md) | Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems and 3 more | Feb 10, 2026 | Patch now | 24 | 5 | CVE-2026-21510 |
| [KB5075999](https://patchblox.com/security/data/fix/microsoft/kb5075999.md) | Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016 and 1 more | Feb 10, 2026 | Patch now | 21 | 5 | CVE-2026-21510 |
| [KB5075970](https://patchblox.com/security/data/fix/microsoft/kb5075970.md) | Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation) | Feb 10, 2026 | Patch now | 15 | 4 | CVE-2026-21510 |
| [KB5075971](https://patchblox.com/security/data/fix/microsoft/kb5075971.md) | Windows Server 2012, Windows Server 2012 (Server Core installation) | Feb 10, 2026 | Patch now | 13 | 4 | CVE-2026-21510 |
| [KB5002833](https://patchblox.com/security/data/fix/microsoft/kb5002833.md) | Microsoft SharePoint Server Subscription Edition | Feb 10, 2026 | Urgent | 2 | 0 | CVE-2026-21511 |
| [KB5002834](https://patchblox.com/security/data/fix/microsoft/kb5002834.md) | Microsoft SharePoint Server 2019 | Feb 10, 2026 | Urgent | 2 | 0 | CVE-2026-21511 |
| [KB5002836](https://patchblox.com/security/data/fix/microsoft/kb5002836.md) | Microsoft SharePoint Server 2019 | Feb 10, 2026 | Urgent | 2 | 0 | CVE-2026-21511 |
| [KB5002839](https://patchblox.com/security/data/fix/microsoft/kb5002839.md) | Microsoft Outlook 2016 (32-bit edition), Microsoft Outlook 2016 (64-bit edition), Microsoft Word 2016 (32-bit edition) and 1 more | Feb 10, 2026 | Urgent | 2 | 0 | CVE-2026-21511 |
| [KB5002840](https://patchblox.com/security/data/fix/microsoft/kb5002840.md) | Microsoft SharePoint Enterprise Server 2016 | Feb 10, 2026 | Urgent | 2 | 0 | CVE-2026-21511 |
| [KB5002841](https://patchblox.com/security/data/fix/microsoft/kb5002841.md) | Microsoft SharePoint Enterprise Server 2016 | Feb 10, 2026 | Urgent | 2 | 0 | CVE-2026-21511 |
| [KB5077862](https://patchblox.com/security/data/fix/microsoft/kb5077862.md) | .NET 10.0 runtime installed on Linux, .NET 10.0 runtime installed on Mac OS, .NET 10.0 runtime installed on Windows | Feb 10, 2026 | High | 1 | 0 | CVE-2026-21218 |
| [KB5077863](https://patchblox.com/security/data/fix/microsoft/kb5077863.md) | .NET 8.0 runtime installed on Linux, .NET 8.0 runtime installed on Mac OS, .NET 8.0 runtime installed on Windows | Feb 10, 2026 | High | 1 | 0 | CVE-2026-21218 |
| [KB5077864](https://patchblox.com/security/data/fix/microsoft/kb5077864.md) | .NET 9.0 runtime installed on Linux, .NET 9.0 runtime installed on Mac OS, .NET 9.0 runtime installed on Windows | Feb 10, 2026 | High | 1 | 0 | CVE-2026-21218 |
| [KB5002835](https://patchblox.com/security/data/fix/microsoft/kb5002835.md) | Office Online Server | Feb 10, 2026 | High | 3 | 0 | CVE-2026-21259 |
| [KB5002837](https://patchblox.com/security/data/fix/microsoft/kb5002837.md) | Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition) | Feb 10, 2026 | High | 3 | 0 | CVE-2026-21259 |
| [KB5074992](https://patchblox.com/security/data/fix/microsoft/kb5074992.md) | Microsoft Exchange Server Subscription Edition RTM | Feb 10, 2026 | Routine | 1 | 0 | CVE-2026-21527 |
| [KB5074993](https://patchblox.com/security/data/fix/microsoft/kb5074993.md) | Microsoft Exchange Server 2019 Cumulative Update 15 | Feb 10, 2026 | Routine | 1 | 0 | CVE-2026-21527 |
| [KB5074994](https://patchblox.com/security/data/fix/microsoft/kb5074994.md) | Microsoft Exchange Server 2019 Cumulative Update 14 | Feb 10, 2026 | Routine | 1 | 0 | CVE-2026-21527 |
| [KB5074995](https://patchblox.com/security/data/fix/microsoft/kb5074995.md) | Microsoft Exchange Server 2016 Cumulative Update 23 | Feb 10, 2026 | Routine | 1 | 0 | CVE-2026-21527 |

## macOS updates

| Fix | Products | Released | Priority | CVEs | Exploited | Top CVE |
|---|---|---|---|---:|---:|---|
| [Tahoe 26.3](https://patchblox.com/security/data/fix/macos/tahoe-26.3.md) | Tahoe | Feb 11, 2026 | Patch now | 65 | 3 | CVE-2025-14174 |
| [Sequoia 15.7.4](https://patchblox.com/security/data/fix/macos/sequoia-15.7.4.md) | Sequoia | Feb 11, 2026 | Urgent | 45 | 0 | CVE-2026-20677 |
| [Sonoma 14.8.4](https://patchblox.com/security/data/fix/macos/sonoma-14.8.4.md) | Sonoma | Feb 11, 2026 | Urgent | 44 | 0 | CVE-2026-20677 |

## Linux, by distribution

| Distribution | Fixes | CVEs | Fixes with exploited CVEs | Patch now |
|---|---:|---:|---:|---:|
| Ubuntu | 751 | 157 | 0 | 0 |
| Debian | 638 | 605 | 1 | 1 |
| ol | 118 | 403 | 0 | 0 |
| rocky | 118 | 192 | 0 | 0 |
| sles | 114 | 628 | 8 | 8 |
| almalinux | 112 | 178 | 0 | 0 |
| amzn | 73 | 251 | 0 | 0 |
| opensuse-leap | 67 | 643 | 0 | 0 |
| Red Hat | 62 | 128 | 0 | 0 |
| Fedora | 10 | 14 | 0 | 0 |

## Most urgent Linux advisories

| Fix | Products | Released | Priority | CVEs | Exploited | Top CVE |
|---|---|---|---|---:|---:|---|
| [DEBIAN-CVE-2026-2441](https://patchblox.com/security/data/fix/linux/debian-cve-2026-2441.md) | chromium on Debian 12.15 (bookworm), Debian 13.5 (trixie), Debian 14 | Feb 13, 2026 | Patch now | 1 | 1 | CVE-2026-2441 |
| [SUSE-SU-2026:0560-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0560-1.md) | kernel-livepatch-SLE15-SP7_Update_1 on sles 15.7 | Feb 16, 2026 | Patch now | 5 | 1 | CVE-2025-38352 |
| [SUSE-SU-2026:0554-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0554-1.md) | kernel-livepatch-SLE15-SP6_Update_8, kernel-livepatch-SLE15-SP7_Update_0 on sles 15.6, sles 15.7 | Feb 16, 2026 | Patch now | 5 | 1 | CVE-2025-38352 |
| [SUSE-SU-2026:0548-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0548-1.md) | kernel-livepatch-SLE15-SP6_Update_10 on sles 15.6 | Feb 16, 2026 | Patch now | 5 | 1 | CVE-2025-38352 |
| [SUSE-SU-2026:0543-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0543-1.md) | kernel-livepatch-SLE15-SP6_Update_7 on sles 15.6 | Feb 15, 2026 | Patch now | 5 | 1 | CVE-2025-38352 |
| [SUSE-SU-2026:0487-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0487-1.md) | kernel-livepatch-SLE15-SP7-RT_Update_1 on sles 15.7 | Feb 13, 2026 | Patch now | 5 | 1 | CVE-2025-38352 |
| [SUSE-SU-2026:0556-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0556-1.md) | kernel-livepatch-SLE15-SP7_Update_2 on sles 15.7 | Feb 16, 2026 | Patch now | 4 | 1 | CVE-2025-38352 |
| [SUSE-SU-2026:0546-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0546-1.md) | kernel-livepatch-SLE15-SP6_Update_13 on sles 15.6 | Feb 15, 2026 | Patch now | 4 | 1 | CVE-2025-38352 |
| [SUSE-SU-2026:0489-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0489-1.md) | kernel-livepatch-SLE15-SP7-RT_Update_2 on sles 15.7 | Feb 13, 2026 | Patch now | 4 | 1 | CVE-2025-38352 |
| [roundcube 1.5.0+dfsg.1-2ubuntu0.1~esm6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-roundcube-1.5.0-dfsg.1-2ubuntu0.1-esm6.md) | roundcube on Ubuntu 22.04.1 LTS (jammy) | Feb 10, 2026 | Urgent | 6 | 0 | CVE-2024-42008 |

---

Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo
