CVE-2026-72985

Undergoing Analysis Undergoing Analysis - In Progress

Heap-based Buffer Overflow in Windows Volume Shadow Copy

Publication date: 2026-09-08

Last updated on: 2026-09-08

Assigner: Microsoft Corporation

Description

Heap-based buffer overflow in Windows Volume Shadow Copy allows an unauthorized attacker to elevate privileges with a physical attack.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-08

Generated

2026-09-09

AI Q&A

2026-09-09

EPSS Evaluated

N/A

NVD

CVE-2026-72985

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_volume_shadow_copy	*

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 Windows Volume Shadow Copy. It allows an unauthorized attacker to elevate their privileges by exploiting a physical attack vector. The vulnerability could enable an attacker to execute arbitrary code with elevated permissions.

Impact Analysis

An attacker could gain elevated privileges on your system, potentially allowing them to install programs, view or delete data, or create new accounts with full user rights. Since it requires physical access, the risk is higher in environments where unauthorized physical access is possible.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating confidentiality requirements in GDPR and HIPAA. Organizations may face compliance violations if attackers exfiltrate personal or health data due to this flaw.

Mitigation Strategies

Disable or restrict physical access to systems to prevent unauthorized attackers from exploiting the vulnerability. Apply Microsoft security updates as soon as they become available to patch the heap-based buffer overflow in Windows Volume Shadow Copy.

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