msrc_cve-2025-21364
Vulnerability from csaf_microsoft
Published
2025-01-14 08:00
Modified
2025-01-27 08:00
Summary
Microsoft Excel Security Feature Bypass Vulnerability
Notes
Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
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.
Customer Action
Required. The vulnerability documented by this CVE requires customer action to resolve.
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"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.",
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"references": [
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"url": "https://www.first.org/cvss"
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"title": "Microsoft Excel Security Feature Bypass Vulnerability",
"tracking": {
"current_release_date": "2025-01-27T08:00:00.000Z",
"generator": {
"date": "2025-04-02T13:22:58.358Z",
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"initial_release_date": "2025-01-14T08:00:00.000Z",
"revision_history": [
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"date": "2025-01-14T08:00:00.000Z",
"legacy_version": "1",
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"summary": "Information published."
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{
"date": "2025-01-27T08:00:00.000Z",
"legacy_version": "1.1",
"number": "2",
"summary": "Added an FAQ to indicate that the Preview Pane is not affected for this CVE. This is an informational change only."
}
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"status": "final",
"version": "2"
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"vulnerabilities": [
{
"cve": "CVE-2025-21364",
"cwe": {
"id": "CWE-502",
"name": "Deserialization of Untrusted Data"
},
"notes": [
{
"category": "general",
"text": "Microsoft",
"title": "Assigning CNA"
},
{
"category": "faq",
"text": "An attacker who successfully exploited this vulnerability could bypass Office macro policies used to block untrusted or malicious files.",
"title": "What kind of security feature could be bypassed by successfully exploiting this vulnerability?"
},
{
"category": "faq",
"text": "An attacker must send the user a malicious file and convince them to open it.",
"title": "According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?"
},
{
"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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"remediations": [
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"date": "2025-01-14T08:00:00.000Z",
"details": "https://aka.ms/OfficeSecurityReleases:Security Update:https://docs.microsoft.com/en-us/officeupdates/office365-proplus-security-updates",
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"scores": [
{
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "UNPROVEN",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 6.8,
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
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{
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"details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation More Likely"
}
],
"title": "Microsoft Excel Security Feature Bypass Vulnerability"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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