Exploited Vulnerabilities Typically Take Three Months to Patch, Moody's Finds

Moody's report shows patch delays risk. Known exploited vulnerabilities take a median of 87 days to patch. Half stay unremediated after three months. For flaws with no known exploitation, median patch time is 107 days. AI-powered discovery raises security findings that organizations must assess and address. AI agents can exploit vulnerabilities within days, as seen in OpenAI and Anthropic tests.

Zero Day Brief #22 · 20 Oct 2026

Sources

• Infosecurity Magazine

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1. 2026-10-19 Exploited Vulnerabilities Typically Take Three Months to Patch, Moody's Finds – Infosecurity Magazine
   first report, exploited in attacks, patch / fix released

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