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Microsoft Office Outlook Remote Code Execution Vulnerability

🗓️ 10 Nov 2026 16:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 1 Views

Stack-based buffer overflow in Microsoft Office Outlook allows remote code execution.

Related
Detection
ReporterTitlePublishedViews
Family
circl
Circl		CVE-2026-123381
10 Nov 202612:46
–circl
cve
CVE		CVE-2026-123381
10 Nov 202618:22
–cve
cvelist
Cvelist		CVE-2026-123381 Microsoft Office Outlook Remote Code Execution Vulnerability
10 Nov 202618:22
–cvelist
euvd
EUVD		EUVD-2026-122295
10 Nov 202618:22
–euvd
nvd
NVD		CVE-2026-123381
10 Nov 202619:20
–nvd
Vulners
Node
OR
microsoft365_appsRange<16.0.20527.20196current_channelenterprisex32
microsoft365_appsRange<16.0.20527.20194monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20430.20264monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20326.20320monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20527.20192semi-annual_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20430.20262semi-annual_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20326.20318semi-annual_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20527.20196current_channelenterprisex64
microsoft365_appsRange<16.0.20527.20194monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20430.20264monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20326.20320monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20527.20192semi-annual_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20430.20262semi-annual_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20326.20318semi-annual_enterprise_channelenterprisex64
microsoftoffice_2024Range<16.0.17932.21140ltsc
microsoftoffice_2024Range<16.0.17932.21140ltsc
microsoftoffice_2021Range<16.0.14334.21048ltsc
microsoftoffice_2021Range<16.0.14334.21048ltsc

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10 Nov 2026 16:00Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.18.8
Microsoft Office Outlookstack-based buffer overflowremote code execution
1