CVE-2026-83753

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Heap-based Buffer Overflow in Windows Camera Frame Server

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Microsoft Corporation

Description

Heap-based buffer overflow in Windows Camera Frame Server Monitor allows an authorized attacker to elevate privileges locally.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-13

Last Modified

2026-10-13

Generated

2026-10-14

AI Q&A

2026-10-14

EPSS Evaluated

N/A

NVD

CVE-2026-83753

EUVD

EUVD-2026-99354

Affected Vendors & Products

Vendor	Product	Version / Range
Microsoft	Windows	10 Version 21H2 10.0.19044.0
Microsoft	Windows	10 Version 22H2 10.0.19045.0
Microsoft	Windows	11 version 23H2 10.0.22631.0
Microsoft	Windows	11 Version 23H2 10.0.22631.0
Microsoft	Windows	11 Version 24H2 10.0.26100.0
Microsoft	Windows	11 Version 25H2 10.0.26200.0
Microsoft	Windows	11 version 26H1 10.0.28000.0
Microsoft	Windows	11 Version 26H2 10.0.26300.0
Microsoft	Windows	Server 2022 10.0.20348.0
Microsoft	Windows	Server 2025 10.0.26100.0
Microsoft	Windows	Server 2025 (Server Core installation) 10.0.26100.0

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 in the Windows Camera Frame Server Monitor. It allows an authorized local attacker to escalate their privileges on the system by exploiting a flaw in memory handling.

Impact Analysis

An attacker could gain elevated privileges, allowing them to perform actions beyond their intended permissions. This could lead to unauthorized access to sensitive data or system control.

Mitigation Strategies

Apply the latest Windows security updates from Microsoft to patch the heap-based buffer overflow in the Camera Frame Server Monitor. Disable unnecessary camera services if not in use and restrict local user permissions to reduce attack surface.

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