Unspecified vulnerability in Quartz.dll for DirectShow; Windows Media Format Runtime 9, 9.5, and 11; Media Encoder 9; and the Asycfilt.dll COM component allows remote attackers to execute arbitrary code via a media file with crafted compression data, aka "Media Decompression Vulnerability."
Conclusion & alert: CVE-2010-1879 is rated High Risk (66.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 20.28%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 38.23% | 20.28% | -17.95% |
| 2 | 2026-02-24 | 57.58% | 38.23% | -19.34% |
| 3 | 2025-03-30 | — | 57.58% | — |
Full EPSS history (23 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 | directx | 9.0 | cpe:2.3:a:microsoft:directx:9.0:*:*:*:*:*:*:* |
| microsoft | directx | 9.0a | cpe:2.3:a:microsoft:directx:9.0a:*:*:*:*:*:*:* |
| microsoft | directx | 9.0b | cpe:2.3:a:microsoft:directx:9.0b:*:*:*:*:*:*:* |
| microsoft | directx | 9.0c | cpe:2.3:a:microsoft:directx:9.0c:*:*:*:*:*:*:* |
| microsoft | windows_media_format_runtime | 9 | cpe:2.3:a:microsoft:windows_media_format_runtime:9:*:*:*:*:*:*:* |
| microsoft | windows_media_format_runtime | 9.5 | cpe:2.3:a:microsoft:windows_media_format_runtime:9.5:*:*:*:*:*:*:* |
| microsoft | windows_media_format_runtime | 9.5 | cpe:2.3:a:microsoft:windows_media_format_runtime:9.5:*:x64:*:*:*:*:* |
| microsoft | windows_media_format_runtime | 11 | cpe:2.3:a:microsoft:windows_media_format_runtime:11:*:*:*:*:*:*:* |
| microsoft | windows_media_encoder | 9 | cpe:2.3:a:microsoft:windows_media_encoder:9:-:x64:*:*:*:*:* |
| microsoft | windows_media_encoder | 9 | cpe:2.3:a:microsoft:windows_media_encoder:9:-:x86:*:*:*:*:* |