CVE-2026-42908 Details
Description
Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network.
A vulnerability allowing out-of-bounds read has been identified in the Windows Remote Desktop Protocol (RDP). This issue allows an unauthorized attacker to disclose information over the network, specifically local memory addresses. The vulnerability affects multiple Windows versions, including various releases of Windows 10, Windows 11, Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025.
Users can apply the security update for this vulnerability, which is available through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles linked in the product-specific sections.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 10, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42908 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows app | < 2.0.1193.0 |
CPE
Remediation
| |
| microsoft windows 10 1607 | < 10.0.14393.9234 |
CPE
Remediation
| |
| microsoft windows 10 1809 | < 10.0.17763.8880 |
CPE
Remediation
| |
| microsoft windows 10 21h2 | < 10.0.19044.7417 |
CPE
Remediation
| |
| microsoft windows 10 22h2 | < 10.0.19045.7417 |
CPE
Remediation
| |
| microsoft windows 11 23h2 | < 10.0.22631.7219 |
CPE
Remediation
| |
| microsoft windows 11 24h2 | < 10.0.26100.8655 |
CPE
Remediation
| |
| microsoft windows 11 25h2 | < 10.0.26200.8655 |
CPE
Remediation
| |
| microsoft windows 11 26h1 | < 10.0.28000.2269 |
CPE
Remediation
| |
| microsoft windows server 2012 | r2 |
CPE
Remediation
| |
| microsoft windows server 2016 | < 10.0.14393.9234 |
CPE
Remediation
| |
| microsoft windows server 2019 | < 10.0.17763.8880 |
CPE
Remediation
| |
| microsoft windows server 2022 | < 10.0.20348.5256 |
CPE
Remediation
| |
| microsoft windows server 2025 | < 10.0.26100.32995 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | Initial Analysis | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 9, 2026 | New CVE Received | [email protected] |