CVE-2010-2561: Microsoft XML Core Services

High severity, CVSS 9.3. EPSS: 24.9% chance of exploitation in the next 30 days.

Microsoft XML Core Services (aka MSXML) 3.0 does not properly handle HTTP responses, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted response, aka "Msxml2.XMLHTTP.3.0 Response Handling Memory Corruption Vulnerability."

Affected products

• Microsoft XML Core Services: version 3.0 only

Published 2010-08-11. Last modified 2026-06-16.