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CVE-2026-42992: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607

0
High
VulnerabilityCVE-2026-42992cvecve-2026-42992cwe-122
Published: Tue Jun 09 2026 (06/09/2026, 17:06:18 UTC)
Source: CVE Database V5
Vendor/Project: Microsoft
Product: Windows 10 Version 1607

Description

CVE-2026-42992 is a heap-based buffer overflow vulnerability in the Remote Desktop Client component of Microsoft Windows 10 Version 1607 (build 10. 0. 14393. 0). This flaw allows an unauthorized attacker to execute code remotely over a network. The vulnerability has a high severity rating with a CVSS score of 7. 5. An official fix is available from Microsoft to address this issue.

CVSS v3.1

Score 7.5high

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/09/2026, 22:55:47 UTC

Technical Analysis

This vulnerability (CVE-2026-42992) involves a heap-based buffer overflow in the Remote Desktop Client on Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an unauthenticated attacker to execute arbitrary code remotely. The vulnerability is classified under CWE-122 (Heap-based Buffer Overflow). Microsoft has published an official fix to remediate this issue.

Potential Impact

Successful exploitation of this vulnerability could lead to remote code execution with high impact on confidentiality, integrity, and availability of the affected system. The attacker does not require privileges but user interaction is required. The vulnerability affects Windows 10 Version 1607 (build 10.0.14393.0). There are no known exploits in the wild at this time.

Mitigation Recommendations

An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42992 to remediate this vulnerability.

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Technical Details

Data Version
5.2
Assigner Short Name
microsoft
Date Reserved
2026-04-30T23:43:50.746Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
official-fix
Vendor Advisory Urls
[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42992","vendor":"Microsoft"}]

Threat ID: 6a284ccb8dd33fbd85664963

Added to database: 6/9/2026, 5:26:35 PM

Last enriched: 6/9/2026, 10:55:47 PM

Last updated: 6/10/2026, 5:05:17 AM

Views: 2

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