# CVE-2026-111293: Microsoft Office buffer over-read information disclosure

Source: https://junglewise.ai/threats/cve-2026-111293-buffer-over-read-in-microsoft-office-allows-an-unauthorized  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-111293 · Severity: medium · CVSS 6.5 · Published 2026-11-10

Microsoft Office is a suite of productivity applications used by millions of organizations for document creation and editing. A buffer over-read vulnerability in Office allows an attacker to read sensitive information from the application's memory and transmit it over a network without authorization. An attacker could exploit this to extract confidential data such as passwords, encryption keys, or document contents from affected systems.

Technologies: [Microsoft Office](https://junglewise.ai/threats/technologies/office). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-111293 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-111293 being exploited in the wild.

**How severe is CVE-2026-111293?** Medium severity, with a CVSS score of 6.5, published 10 November 2026.

**Which products and versions are affected?** Microsoft Office.

**Is there a fix for CVE-2026-111293?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-111293 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-111293?** Check whether you run Microsoft Office. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A buffer over-read vulnerability exists in Microsoft Office, allowing out-of-bounds memory reads. The vulnerability can be triggered over the network and results in information disclosure when an attacker reads unintended memory regions. Exploitation requires no user interaction or special privileges, but the advisory does not specify the exact attack preconditions or affected Office components.

## Affected products

- Microsoft Office

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-111293](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-111293)

## Related threats

- [Microsoft Office Outlook user warning spoofing vulnerability](https://junglewise.ai/threats/cve-2026-124194-microsoft-office-outlook-missing-user-interaction-for)
- [Microsoft Office heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-122198-heap-based-buffer-overflow-in-microsoft-office-allows-an)
- [Microsoft Office heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-120003-heap-based-buffer-overflow-in-microsoft-office-allows-an)
- [Microsoft Office UI security feature bypass](https://junglewise.ai/threats/cve-2026-119998-product-ui-does-not-warn-user-of-unsafe-actions-in-microsoft)
- [Microsoft Office heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-116717-heap-based-buffer-overflow-in-microsoft-office-allows-an)