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VULNERABILITIES

CVE-2026-70300 Details

Description

Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70300 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-822Untrusted Pointer Dereference[email protected]

Affected Products

ProductVersions
microsoft 365 apps
All versions

CPE

  • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
  • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*

Remediation

  • No remediation found in references.
microsoft office 2021
All versions

CPE

  • cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x64:*
  • cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x86:*

Remediation

  • No remediation found in references.
microsoft office 2024
All versions

CPE

  • cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x64:*
  • cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x86:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-70300
NVD Published Date:
Oct 13, 2026
NVD Last Modified:
Oct 14, 2026
Source:
[email protected]
CVE-2026-70300 Details - Not Deferred