High 8.4Published Mar 10, 2026

CVE-2026-26113Microsoft Office Remote Code Execution Vulnerability

Updated under an hour ago (Oct 27, 2026, 5:23 PM ET)

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It affects Microsoft 365 Apps for Enterprise and 13 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS: 8.4 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Weakness (CWE): CWE-822
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: microsoft
NVD analysis: Analyzed
Record last updated: Jun 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microsoft Microsoft 365 Apps for Enterprise microsoft:365_apps_for_enterprise (from the name)	from 16.0.1 before https://aka.ms/OfficeSecurityReleases	CNA record
Microsoft Microsoft Office 2016 microsoft:office_2016 (from the name)	from 16.0.0 before 16.0.5543.1000	CNA record
Microsoft Microsoft Office 2019 microsoft:office_2019 (from the name)	from 19.0.0 before https://aka.ms/OfficeSecurityReleases	CNA record
Microsoft Microsoft Office LTSC 2021 microsoft:office_ltsc_2021 (from the name)	from 16.0.1 before https://aka.ms/OfficeSecurityReleases	CNA record
Microsoft Microsoft Office LTSC 2024 microsoft:office_ltsc_2024 (from the name)	from 16.0.0 before https://aka.ms/OfficeSecurityReleases	CNA record
Microsoft Microsoft Office LTSC for Mac 2021 microsoft:office_ltsc_for_mac_2021 (from the name)	from 16.0.1 before 16.107.26030819	CNA record
Microsoft Microsoft Office LTSC for Mac 2024 microsoft:office_ltsc_for_mac_2024 (from the name)	from 16.0.0 before 16.107.26030819	CNA record
Microsoft Microsoft SharePoint Enterprise Server 2016 microsoft:sharepoint_enterprise_server_2016 (from the name)	from 16.0.0 before 16.0.5543.1000	CNA record
Microsoft Microsoft SharePoint Server 2019 microsoft:sharepoint_server_2019 (from the name)	from 16.0.0 before 16.0.10417.20102	CNA record
Microsoft Microsoft SharePoint Server Subscription Edition microsoft:sharepoint_server_subscription_edition (from the name)	from 16.0.0 before 16.0.19725.20076	CNA record
1–10 of 14

References

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26113	vendor-advisory, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.