patch-tuesday
Query Microsoft Patch Tuesday security updates (MSRC) with EPSS and CISA KEV enrichment
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Query Microsoft Patch Tuesday security updates (MSRC) with EPSS and CISA KEV enrichment
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| msrc_search | Search Microsoft security updates (Patch Tuesday) from the official MSRC API. Combines keyword search, CVE/KB lookup, and product/severity/exploitation filtering into a single flexible tool. All filter parameters are optional and can be combined. When no filters are provided, returns the most urgent vulnerabilities from the most recent *released* Patch Tuesday (CISA-KEV- listed or exploited first, then by EPSS exploitation probability, severity, and CVSS score). The upcoming month's document exists before its Patch Tuesday but only holds early Chromium/third-party and out-of-band entries; it is skipped by default and served only when requested via month=. Results are enriched with EPSS scores (FIRST.org daily exploit prediction, 0-1) and CISA KEV (Known Exploited Vulnerabilities) catalog data when available. Use this tool to: - Get the latest Patch Tuesday overview (include_stats=True, limit=0) - Browse the most urgent fixes this month (no filters) - Look up a specific CVE with full detail (cve="CVE-2026-41108") -- works across all months, returns KBs, affected products, CVSS, description, FAQs, EPSS score, and KEV status - Find which CVEs a KB article fixes (kb="5094123" or kb="KB5094123") -- scans recent months, or a specific month when combined with month= - Look up many KBs in one call (kb=["5094123", "KB5094127", ...], up to 30) -- e.g. a machine's installed-update list; returns one grouped per-KB result entry each, with per-KB found/not-found status - Check whether a KB has been superseded by newer patches (kb="5087538", include_chain=True) -- walks Microsoft-stated supersedence links - See what Microsoft has confirmed an update breaks (kb=..., include_known_issues=True) -- known issues from the KB's public support page: symptoms, workarounds, and the resolving update when stated - See what an update changes (kb=..., include_update_summary=True) -- the KB support page's summary and improvements highlights, beyond the security fixes alread |