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vulnerabilities
What exploited vulnerabilities have in common: A data-driven analysis of real-world attacks
Of approximately 383,000 disclosed software vulnerabilities through September 2026, only about 2,000 (0.5%) have been exploited in real-world attacks, and those show clear patterns: threat actors disproportionately target remote code execution, privilege escalation, and authentication bypass vulnerabilities that provide system takeover capability. Exploited vulnerabilities concentrate in operating system code (41% of exploited versus 23% overall) and server-side impact classes, while lower-impact flaws like cross-site scripting and denial of service remain rare in actual attacks. Defenders face a timing challenge: median patch deployment takes two weeks on workstations but over a month on servers and more than a year on network appliances, while advanced exploit development now occurs within days of vulnerability disclosure, with artificial intelligence (AI) accelerating this window further.
Why it matters: Security teams must prioritize patching remote code execution and privilege escalation flaws on internet-exposed servers and network-connected assets, since these vulnerabilities account for 78% of real-world exploits and create the largest blast radius when compromised identities and permissions are considered; focus on reducing exposure of critical systems before patches deploy, rather than chasing the full CVE volume.
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