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Microsoft Office Excel Remote Code Execution Vulnerability

🗓️ 13 Oct 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 23 Views

Use after free in Microsoft Office Excel allows an attacker to execute code over a network.

Related
Detection
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
Microsoft Office Memory Use After Free
15 Oct 202600:00
–bdu_fstec
circl
Circl
CVE-2026-100209
13 Oct 202611:36
–circl
cve
CVE
CVE-2026-100209
13 Oct 202619:01
–cve
cvelist
Cvelist
CVE-2026-100209 Microsoft Office Excel Remote Code Execution Vulnerability
13 Oct 202619:01
–cvelist
euvd
EUVD
EUVD-2026-100320
13 Oct 202619:01
–euvd
nessus
Tenable Nessus
Security Updates for Microsoft Office Products (October 2026) (macOS)
14 Oct 202600:00
–nessus
nessus
Tenable Nessus
Security Updates for Microsoft Excel Products C2R (October 2026)
14 Oct 202600:00
–nessus
ncsc
NCSC
vulnerabilities present in Microsoft Office
13 Oct 202618:36
–ncsc
nvd
NVD
CVE-2026-100209
13 Oct 202619:17
–nvd
ptsecurity
Positive Technologies
PT-2026-111885
13 Oct 202600:00
–ptsecurity
Rows per page
Vulners
Node
OR
microsoftoffice_2024Range<16.0.17932.21056ltsc
microsoft365_appsRange<16.0.20430.20182current_channelenterprisex32
microsoft365_appsRange<16.0.20430.20180monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20326.20232monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20228.20276monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20430.20178semi-annual_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20326.20230semi-annual_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20228.20274semi-annual_enterprise_channelenterprisex32
microsoftoffice_macos_2024Range<16.114.26101123ltsc
microsoftoffice_365Range<16.114.26101123macos
microsoftoffice_macos_2021Range<16.114.26101123ltsc
microsoft365_appsRange<16.0.20430.20182current_channelenterprisex64
microsoft365_appsRange<16.0.20430.20180monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20326.20232monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20228.20276monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20430.20178semi-annual_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20326.20230semi-annual_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20228.20274semi-annual_enterprise_channelenterprisex64
microsoftoffice_2024Range<16.0.17932.21056ltsc

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15 Oct 2026 14:00Current
8.5High risk
Vulners AI Score8.5
CVSS 3.18.8
EPSS0.0095
SSVC
23