September 2025 vulnerabilities
Browse this month's returned vendor patches and exploitation signals, with filtering and stable pages for browsing without JavaScript.
Microsoft reports 0 vulnerabilities with exploitation detected in the wild this month. This defender-focused view covers 401 vulnerabilities across 401 returned patch records from 1 vendor. Filter the complete month, or browse the static page trail without JavaScript.
- Patch records
- Returned Microsoft and cross-vendor release records. One Common Vulnerabilities and Exposures (CVE) identifier can appear in more than one record.
- Tracked here
- Records joined to a vulnerability record in this tracker.
- Defender priority
- Sorts Microsoft exploitation status, Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) catalog status, severity, and tracker coverage first.
- More likely
- Microsoft's Exploitability Index rating that exploitation is more likely. It is not a claim that exploitation was detected.
Narrow the complete month
Filters use every patch record in this month, including records on later static pages.
Microsoft-only signal filters exclude records without Microsoft signal data as unknown, report them separately, and never count them as absent. “Tracked here” covers both Microsoft and cross-vendor records.
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The complete-month filter index could not be loaded, so filters are unavailable. The static records and page links below remain complete and usable.
An Exploit Prediction Scoring System (EPSS) percentage is the global 30-day exploitation probability in the wild, not specific to you. Do not read it as a complete risk score or as evidence about your environment or impact.
Microsoft Security Response Center
Cross-vendor patches
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Microsoft Security Response Center
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