CVE-2026-83934

Analyzed Analyzed - Analysis Complete

Windows GDI+ Stack-Based Buffer Overflow

Publication date: 2026-10-13

Last updated on: 2026-10-19

Assigner: Microsoft Corporation

Description

Stack-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.

CVSS Scores

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Meta Information

Published

2026-10-13

Last Modified

2026-10-19

Generated

2026-11-08

AI Q&A

2026-10-14

EPSS Evaluated

2026-11-07

NVD

CVE-2026-83934

EUVD

EUVD-2026-100061

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_server_2012	r2
microsoft	windows_server_2012	*
microsoft	windows_10_1607	to 10.0.14393.9612 (exc)
microsoft	windows_10_1607	to 10.0.14393.9612 (exc)
microsoft	windows_10_1809	to 10.0.17763.9376 (exc)
microsoft	windows_10_1809	to 10.0.17763.9376 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7807 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7652 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7652 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9711 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9711 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9711 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9711 (exc)
microsoft	windows_11_26h1	to 10.0.28000.3231 (exc)
microsoft	windows_11_26h1	to 10.0.28000.3231 (exc)
microsoft	windows_11_26h2	to 10.0.26300.9711 (exc)
microsoft	windows_11_26h2	to 10.0.26300.9711 (exc)
microsoft	windows_server_2016	to 10.0.14393.9612 (exc)
microsoft	windows_server_2019	to 10.0.17763.9376 (exc)
microsoft	windows_server_2025	to 10.0.26100.33650 (exc)
microsoft	windows_server_2022	to 10.0.20348.5761 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7807 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-121	A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

Attack-Flow Graph

Executive Summary

This is a stack-based buffer overflow vulnerability in Windows GDI+ that allows an unauthorized attacker to execute arbitrary code remotely over a network without authentication.

Impact Analysis

An attacker could exploit this to run malicious code on your system, potentially stealing data, installing malware, or taking control of your device. It affects all listed Windows versions and server editions.

Compliance Impact

This vulnerability allows remote code execution via a stack-based buffer overflow in Windows GDI+. Such vulnerabilities can lead to unauthorized access, data breaches, or system compromise, which may violate compliance requirements under GDPR, HIPAA, and other regulations that mandate protection of sensitive data and system integrity.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows GDI+ buffer overflow vulnerability. Monitor Microsoft's security advisories for updates and ensure all affected Windows versions are updated.

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