CVE-2025-49756
lowpriority · track · 0OT risk · elevatedEPSS 0.002 · 12 %ileDEEURUUSEPSS · scored 2026-10-27
Use of a broken or risky cryptographic algorithm in Office Developer Platform allows an authorized attacker to bypass a security feature locally.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedMicrosoft 365 Apps for Enterprise for 32-bit Systemsmsrc_csaf
https://aka.ms/OfficeSecurityReleases:Security Update:https://docs.microsoft.com/en-us/officeupdates/office365-proplus-security-updates
https://docs.microsoft.com/en-us/officeupdates/office365-proplus-security-updates - FixedMicrosoft 365 Apps for Enterprise for 64-bit Systemsmsrc_csaf
https://aka.ms/OfficeSecurityReleases:Security Update:https://docs.microsoft.com/en-us/officeupdates/office365-proplus-security-updates
https://docs.microsoft.com/en-us/officeupdates/office365-proplus-security-updates
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (27)
Products and version ranges known to be affected.
- Microsoft SharePoint Enterprise Server 2016all versionscert_bundDEcpe:/a:microsoft:sharepoint:enterprise_server_2016
- Microsoft SharePoint Server Subscription Editionall versionscert_bundDEcpe:/a:microsoft:sharepoint:server_subscription_edition
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-1491Microsoft Office: Mehrere SchwachstellenDeutsch2025-07-08csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer oder ein lokaler Angreifer kann mehrere Schwachstellen in Microsoft Excel 2016, Microsoft PowerPoint 2016, Microsoft Word 2016, Microsoft Office 2016, Microsoft Outlook 2016, Microsoft Office Online Server, Microsoft SharePoint, Microsoft Office 2019, Microsoft SharePoint Server 2019, Microsoft 365 Apps, Microsoft Teams und Microsoft Office ausnutzen, um Administratorrechte zu erlangen, um beliebigen Code auszuführen, vertrauliche Informationen offenzulegen, Sicherheitsmaßnahmen zu umgehen und Spoofing-Angriffe durchzuführen.
- msrc_CVE-2025-49756Office Developer Platform Security Feature Bypass Vulnerability2025-07-08csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49756cnnvd
- https://vigilance.fr/vulnerability/Microsoft-365-Apps-Office-vulnerabilities-of-July-2025-47652cnnvd
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49756enisa_euvd
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49756Vendor Advisorynvd
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