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    "acknowledgments": [
      {
        "names": [
          "Felix Boulet"
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    "distribution": {
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      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
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    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      },
      {
        "category": "general",
        "text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
        "title": "Customer Action"
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        "category": "self",
        "summary": "CVE-2025-29816 Microsoft Word Security Feature Bypass Vulnerability - HTML",
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        "summary": "Common Vulnerability Scoring System",
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    "title": "Microsoft Word Security Feature Bypass Vulnerability",
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      "generator": {
        "date": "2025-07-22T19:57:31.513Z",
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          "date": "2025-04-08T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
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        {
          "date": "2025-04-15T07:00:00.000Z",
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          "number": "2",
          "summary": "Microsoft is announcing the availability of the security updates for Microsoft Office for Mac. Customers running affected Mac software should install the update for their product to be protected from this vulnerability. Customers running other Microsoft Office software do not need to take any action. See the [Release Notes](https://go.microsoft.com/fwlink/p/?linkid=831049) for more information and download links."
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        "name": "Acceptance of Extraneous Untrusted Data With Trusted Data"
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        {
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          "text": "Microsoft",
          "title": "Assigning CNA"
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          "category": "faq",
          "text": "No, the Preview Pane is not an attack vector.",
          "title": "Is the Preview Pane an attack vector for this vulnerability?"
        },
        {
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          "text": "Yes. Customers should apply all updates offered for the software installed on their systems. If multiple updates apply, they can be installed in any order.",
          "title": "There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Security Updates table for the software?"
        },
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          "category": "faq",
          "text": "This vulnerability could allow an attacker to bypass specific functionality of the Office Protected View.",
          "title": "What kind of security feature could be bypassed by successfully exploiting this vulnerability?"
        },
        {
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          "text": "Successful exploitation of this vulnerability requires an attacker to gather information specific to the environment of the targeted component.",
          "title": "According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?"
        },
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          "category": "faq",
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          "title": "According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?"
        },
        {
          "category": "faq",
          "text": "Yes. As of April 14, 2025, the security update for Microsoft Office LTSC for Mac 2021 and 2024 are available. Customers running Microsoft Office LTSC for Mac 2021 and 2024 should ensure the update is installed to be protected from this vulnerability.",
          "title": "Are the updates for Microsoft Office LTSC for Mac 2021 and 2024 currently available?"
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            "attackVector": "NETWORK",
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            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 6.5,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
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        {
          "category": "impact",
          "details": "Security Feature Bypass"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Microsoft Word Security Feature Bypass Vulnerability"
    }
  ]
}