Windows DNS heap-based buffer overflow remote code execution flaw (CVE-2026-41096)
Vulnerability
Summary
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Microsoft patched CVE-2026-41096, a heap-based buffer overflow in Windows DNS that could let an unauthorized attacker execute code remotely on vulnerable Windows systems. The flaw carries a CVSS score of 9.8 and affects a widely deployed network service, making the patch important for exposed environments. Microsoft said the issue was fixed in its May 13, 2026 update cycle.
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About this happening:
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VulnerabilityAbout this happening: Microsoft’s **May Patch Tuesday** fixed **CVE-2026-41089**, a **critical** stack-based buffer overflow in **Windows Netlogon** that could let attackers gain **system privileges**...
Timeline
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13.05.2026 13:36 2 articles · 14d ago
Microsoft discloses and patches CVE-2026-41096 in Windows DNS
Initial DisclosureMicrosoft's May 13, 2026 Patch Tuesday release fixed CVE-2026-41096, a CVSS 9.8 heap-based buffer overflow in Windows DNS that could let an unauthorized attacker execute code over a network by sending a specially crafted DNS response to a vulnerable Windows system.
Show sources
- Microsoft Patches 138 Vulnerabilities, Including DNS and Netlogon RCE Flaws — thehackernews.com — 13.05.2026 13:36
- Microsoft Patches 138 Vulnerabilities, Including DNS and Netlogon RCE Flaws — thehackernews.com — 13.05.2026 13:36