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Microsoft Outlook Spoofing Vulnerability

🗓️ 11 Aug 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 4 Views

Microsoft Outlook insufficiently protected credentials allow network-based spoofing by an unauthorized attacker.

Related
Detection
Vulners
Node
OR
microsoftoutlook_2016Range<16.0.5565.1000x64
microsoftoutlook_2016Range<16.0.5565.1000x86
microsoftoffice_2024Range<16.0.17932.20910ltscx64
microsoftoffice_2024Range<16.0.17932.20910ltscx32
microsoftoffice_2021Range<16.0.14334.20848ltscx32
microsoftoffice_2021Range<16.0.14334.20848ltscx64
microsoft365_appsRange<16.0.20228.20190current_channelenterprisex64
microsoft365_appsRange<16.0.20228.20188monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20131.20206monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20026.20266monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20228.20186semi-annual_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20228.20190current_channelenterprisex32
microsoft365_appsRange<16.0.20228.20188monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20131.20206monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20026.20266monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20228.20186semi-annual_enterprise_channelenterprisex32
microsoftoffice_2019Range<16.0.10417.20197x64
microsoftoffice_2019Range<16.0.10417.20197x32

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11 Aug 2026 14:00Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.14.3
4