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."
Conclusion & alert: CVE-2010-2561 is rated High Exploit Risk (81.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 24.87%, 98th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 14609 | exploit_db | edb | 2010-08-10 | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 48.88% | 24.87% | -24.01% |
| 2 | 2026-04-29 | 61.29% | 48.88% | -12.42% |
| 3 | 2025-06-03 | — | 61.29% | — |
Full EPSS history (20 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | xml_core_services | 3.0 | cpe:2.3:a:microsoft:xml_core_services:3.0:*:*:*:*:*:*:* |