---
title: "CVE-2026-108444"
description: "Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network."
url: https://panop.io/threat-heartbeat/CVE-2026-108444/
---

# CVE-2026-108444 CVE-2026-108444

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-108444)

## Details

CVSS vector

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

Published

15 October 2026

Updated

16 October 2026

Weakness

[CWE-122](https://cwe.mitre.org/data/definitions/122.html)

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-108444](https://nvd.nist.gov/vuln/detail/CVE-2026-108444)
- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108444](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108444)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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