CVE-2026-69336

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Heap-based Buffer Overflow in Microsoft Standard XPS

Publication date: 2026-09-08

Last updated on: 2026-09-24

Assigner: Microsoft Corporation

Description

Heap-based buffer overflow in Microsoft Standard XPS allows an authorized attacker to elevate privileges over a network.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-24

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-69336

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	standard_xps	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-122	A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Attack-Flow Graph

Executive Summary

This is a heap-based buffer overflow vulnerability in Microsoft Standard XPS. An authorized attacker can exploit it over a network to elevate their privileges on a system.

Impact Analysis

An attacker could gain higher privileges than intended, potentially allowing them to access sensitive data, install malware, or take control of the affected system.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating compliance requirements such as GDPR or HIPAA, which mandate strict data protection measures.

Mitigation Strategies

Apply the latest security updates from Microsoft for Standard XPS to patch the heap-based buffer overflow vulnerability. Disable XPS services if not required and monitor network traffic for unusual activity related to privilege escalation attempts.

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