February Microsoft Patch Tuesday_AVLEONOV:AEF14A5AD239505970E19D41BDA00AF4

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    "lastseen": "2026-02-13T00:05:07",
    "description": "![February Microsoft Patch Tuesday](https://avleonov.com/wp-content/uploads/2026/02/photo_899@11-02-2026_14-08-11.jpg)\n\n**February Microsoft Patch Tuesday.** A total of 55 vulnerabilities, half as many as in January. There are as many as six (![\u2757](https://s.w.org/images/core/emoji/17.0.2/72x72/2757.png)) vulnerabilities being exploited in the wild:\n\n![\ud83d\udd3b](https://s.w.org/images/core/emoji/17.0.2/72x72/1f53b.png) **SFB** - Windows Shell (CVE-2026-21510)  \n![\ud83d\udd3b](https://s.w.org/images/core/emoji/17.0.2/72x72/1f53b.png) **SFB** - Microsoft Word (CVE-2026-21514)  \n![\ud83d\udd3b](https://s.w.org/images/core/emoji/17.0.2/72x72/1f53b.png) **SFB** - MSHTML Framework (CVE-2026-21513)  \n![\ud83d\udd3b](https://s.w.org/images/core/emoji/17.0.2/72x72/1f53b.png) **EoP** - Windows Remote Desktop Services (CVE-2026-21533)  \n![\ud83d\udd3b](https://s.w.org/images/core/emoji/17.0.2/72x72/1f53b.png) **EoP** - Desktop Window Manager (CVE-2026-21519)  \n![\ud83d\udd3b](https://s.w.org/images/core/emoji/17.0.2/72x72/1f53b.png) **DoS** - Windows Remote Access Connection Manager (CVE-2026-21525)\n\nThere is also one vulnerability with a public exploit:\n\n![\ud83d\udd38](https://s.w.org/images/core/emoji/17.0.2/72x72/1f538.png) **DoS** - libjpeg (CVE-2023-2804)\n\nAmong the remaining vulnerabilities, the following stand out:\n\n![\ud83d\udd39](https://s.w.org/images/core/emoji/17.0.2/72x72/1f539.png) **RCE** - Windows Notepad App (CVE-2026-20841)  \n![\ud83d\udd39](https://s.w.org/images/core/emoji/17.0.2/72x72/1f539.png) **Spoofing** - Outlook (CVE-2026-21511)  \n![\ud83d\udd39](https://s.w.org/images/core/emoji/17.0.2/72x72/1f539.png) **EoP** - Windows Kernel (CVE-2026-21231, CVE-2026-21239, CVE-2026-21245), Windows AFD.sys (CVE-2026-21236, CVE-2026-21238, CVE-2026-21241)\n\n![\ud83d\uddd2](https://s.w.org/images/core/emoji/17.0.2/72x72/1f5d2.png) Full Vulristics report\n\n\u041d\u0430 \u0440\u0443\u0441\u0441\u043a\u043e\u043c",
    "published": "2026-02-11T11:08:11",
    "modified": "2026-02-11T11:08:11",
    "type": "avleonov",
    "title": "February Microsoft Patch Tuesday",
    "source": "",
    "references": "",
    "id": "AVLEONOV:AEF14A5AD239505970E19D41BDA00AF4",
    "bulletinFamily": "blog",
    "cwe": null,
    "cvelist": [
        "CVE-2023-2804",
        "CVE-2026-20841",
        "CVE-2026-21231",
        "CVE-2026-21236",
        "CVE-2026-21238",
        "CVE-2026-21239",
        "CVE-2026-21241",
        "CVE-2026-21245",
        "CVE-2026-21510",
        "CVE-2026-21511",
        "CVE-2026-21513",
        "CVE-2026-21514",
        "CVE-2026-21519",
        "CVE-2026-21525",
        "CVE-2026-21533"
    ],
    "sourceData": "",
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    "cvss": {
        "score": 8.8,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
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        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
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        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
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            "baseScore": 0,
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            "privilegesRequired": "",
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    },
    "href": "https://avleonov.com/2026/02/11/1631-february-microsoft-patch-tuesday/",
    "category_name": "News",
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