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Microsoft Excel Remote Code Execution Vulnerability

🗓️ 11 Aug 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 2 Views

Heap-based buffer overflow in Microsoft Excel allows unauthenticated local remote code execution.

Related
Detection
ReporterTitlePublishedViews
Family
cve
CVE		CVE-2026-68798
11 Aug 202617:07
–cve
cvelist
Cvelist		CVE-2026-68798 Microsoft Excel Remote Code Execution Vulnerability
11 Aug 202617:07
–cvelist
euvd
EUVD		EUVD-2026-56754
11 Aug 202617:07
–euvd
nvd
NVD		CVE-2026-68798
11 Aug 202617:19
–nvd
vulnrichment
Vulnrichment		CVE-2026-68798 Microsoft Excel Remote Code Execution Vulnerability
11 Aug 202617:07
–vulnrichment
Vulners
Node
OR
microsoftoffice_365_proplusRange<16.112.26081010macos
microsoftoffice_macos_2024Range<16.112.26081010ltsc
microsoftoffice_2024Range<16.0.17932.20910ltscx64
microsoftoffice_2024Range<16.0.17932.20910ltscx32
microsoftoffice_2021Range<16.0.14334.20848ltscx32
microsoftoffice_2021Range<16.0.14334.20848ltscx64
microsoftoffice_macos_2021Range<16.112.26081010ltsc
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

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11 Aug 2026 14:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.8
SSVC
Microsoft Excelbuffer overflowremote code executionlocal attackheap memoryunauthenticated accesscode execution
2