Microsoft · Security update · January 26, 2026
KB5002713: January 2026 security update
KB5002713, released January 26, 2026, fixes 1 CVE across 2 products. One of them is being exploited (CVE-2026-21509); 1 on CISA KEV. Patch Radar priority: Patch now.
Patch now1 on CISA KEV
CVEs closed
1
None rated Critical
Exploited
1
CVE-2026-21509
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.7080
99th percentile
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2026-21509 | Microsoft Office | Security Feature Bypass | 7.8 | 0.7080 | KEVExploited |
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