7.8High

CVE-2026-62804Microsoft Word Remote Code Execution Vulnerability

Microsoft Microsoft 365 Apps for Enterprise; Microsoft Microsoft Office 365 for Mac Published: 2026-09-08 20:19 (2 months ago)

Description

External control of file name or path in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Weakness (CWE): CWE-73

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
microsoft	365 apps	16.0.1 – < https://aka.ms/OfficeSecurityReleases
microsoft	microsoft 365	—
Microsoft	Microsoft 365 Apps for Enterprise	16.0.1 – < https://aka.ms/OfficeSecurityReleases
Microsoft	Microsoft Office 365 for Mac	-
microsoft	office 2016	—
microsoft	office 2019	—
microsoft	office 2021	—
microsoft	office 2024	—
microsoft	office 365	- –

References and patches

Microsoft Word Remote Code Execution Vulnerability vendor-advisorypatchPatchVendor Advisory

CPE matches (NVD) (12)

cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
cpe:2.3:a:microsoft:microsoft_365:-:*:*:*:*:macos:*:*
cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x64:*
cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x86:*
cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x86:*
cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x64:*
cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x86:*
cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:macos:-:*
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x64:*
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x86:*

CVSS score

7.8High

Source: microsoft · CVSS 3.1

Attack vector: Local
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

All scores (2)

cna	CVSS 3.1	7.8High
secure@microsoft.com	CVSS 3.1	7.8High

EPSS (chance of exploitation in 30 days)

0.61%

higher than 50% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: total

Timeline

ID reserved2026-07-14
Published2026-09-08 20:19
Reached IP-DB2026-10-24 23:44
Last updated2026-10-31 19:18

Assigned by (CNA): microsoft
NVD status: Analyzed

View at source: CVE.org · NVD

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