CVE-2026-70322
Received Received - Intake

Improper Input Validation in Microsoft Office PowerPoint Leads to Local Information Disclosure

Publication date: 2026-08-11

Last updated on: 2026-08-11

Assigner: Microsoft Corporation

Description
Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.

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Meta Information

Published
2026-08-11
Last Modified
2026-08-11
Generated
2026-08-11
AI Q&A
2026-08-11
EPSS Evaluated
N/A
NVD
CVE-2026-70322
EUVD
EUVD-2026-56581

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft office_powerpoint *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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Executive Summary

This vulnerability is an improper input validation flaw in Microsoft Office PowerPoint. It allows an unauthorized attacker to disclose information locally on a system where PowerPoint is installed.

Impact Analysis

An attacker could exploit this to access sensitive information stored on your local machine through PowerPoint files. This could include documents, personal data, or other confidential files.

Mitigation Strategies

Apply the latest security updates from Microsoft for Office PowerPoint to address the improper input validation issue.

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