Exploited Vulnerabilities Share Predictable Traits: Microsoft’s Data‑Driven Attack Analysis
What Happened — Microsoft’s Security Research team examined ≈ 2,300 publicly disclosed vulnerabilities exploited in the wild between 2022‑2025. By correlating CVE details, attacker tooling, and post‑exploitation behavior, the study found three recurring factors: (1) unpatched or slow‑to‑patch software, (2) exposed services reachable from the Internet, and (3) weak authentication or credential‑reuse that enabled lateral movement. The analysis shows that ≈ 78 % of successful exploits leveraged at least one of these conditions, and that the median time‑to‑exploit after public disclosure was just 12 days.
Why It Matters for Trust & Control Assurance — The findings underscore the need for a robust vulnerability‑management control that continuously inventories, prioritizes, and remediates flaws—an objective that maps to a single VCF control and satisfies multiple frameworks (e.g., NIST CSF Identify & Protect).
Who Is Affected — Enterprises across all sectors that run on‑premise or cloud‑hosted software, especially those relying on third‑party components and public‑facing services.
Recommended Actions
- Align your vulnerability‑management process with the three identified risk factors; prioritize patches for assets exposed to the Internet and for software with known credential‑reuse issues.
- Integrate exploit‑trend feeds (such as Microsoft’s) into your risk‑scoring engine to accelerate remediation decisions.
- Capture and retain evidence of patch cycles and remediation timelines for audit readiness.
Technical Notes
- Attack vector: exploitation of known software vulnerabilities (VULNERABILITY_EXPLOIT).
- Data sources: CVE database, Microsoft Defender Threat Intelligence, public breach reports.
- No single CVE is singled out; the study aggregates across multiple CVEs with CVSS ≥ 7.0.
Source: Microsoft Security Blog – Exploited Vulnerabilities Commonalities