CVE-2025-62554

Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS v3 8.4 HIGH

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62554	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:365_apps:-::::enterprise::x64:*
	cpe:2.3:a:microsoft:365_apps:-::::enterprise::x86:*
	cpe:2.3:a:microsoft:365_copilot:-:::::android::
	cpe:2.3:a:microsoft:office:2016::::::x64:
	cpe:2.3:a:microsoft:office:2016::::::x86:
	cpe:2.3:a:microsoft:office:2019::::::x64:
	cpe:2.3:a:microsoft:office:2019::::::x86:
	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:::::-:x64:*
	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:::::-:x86:*
	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:::::macos::
	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:::::-:x64:*
	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:::::-:x86:*
	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:::::macos::

History

30 Sep 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) Acceso a un recurso utilizando un tipo incompatible ('confusión de tipos') en Microsoft Office permite a un atacante no autorizado ejecutar código localmente.

Information

Published : 2025-12-09 18:16

Updated : 2026-10-07 11:10

NVD link : CVE-2025-62554

Mitre link : CVE-2025-62554

CVE.ORG link : CVE-2025-62554

JSON object : View

Products Affected

microsoft

365_copilot
office
office_long_term_servicing_channel
365_apps

CWE

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

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"https://aka.ms/OfficeSecurityReleases", "versionType": "custom"}], "platforms": ["32-bit Systems", "x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft Office for Android", "versions": [{"status": "affected", "version": "16.0.1", "lessThan": "16.0.19530.20000", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft Office LTSC 2021", "versions": [{"status": "affected", "version": "16.0.1", "lessThan": "https://aka.ms/OfficeSecurityReleases", "versionType": "custom"}], "platforms": ["32-bit Systems", "x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft Office LTSC 2024", "versions": [{"status": "affected", "version": "16.0.0", "lessThan": "https://aka.ms/OfficeSecurityReleases", "versionType": "custom"}], "platforms": ["32-bit Systems", "x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft Office LTSC for Mac 2021", "versions": [{"status": "affected", "version": "16.0.1", "lessThan": "16.104.25121423", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft Office LTSC for Mac 2024", "versions": [{"status": "affected", "version": "16.0.0", "lessThan": "16.104.25121423", "versionType": "custom"}]}]}], "published": "2025-12-09T18:16:00.620", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62554", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-843"}]}], "descriptions": [{"lang": "en", "value": "Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally."}, {"lang": "es", "value": "Acceso a un recurso utilizando un tipo incompatible ('confusi\u00f3n de tipos') en Microsoft Office permite a un atacante no autorizado ejecutar c\u00f3digo localmente."}], "lastModified": "2026-10-07T11:10:00.153", "configurations": 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