Microsoft · Security update · March 10, 2026
KB5078738: March 2026 security update
KB5078738, released March 10, 2026, fixes 1 CVE across 4 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0139
72nd percentile
Applies to
| Product |
|---|
| Windows Server 2012 |
| Windows Server 2012 (Server Core installation) |
| Windows Server 2012 R2 |
| Windows Server 2012 R2 (Server Core installation) |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-23674 | Windows MapUrlToZone | Security Feature Bypass | 7.5 | 0.0139 | Exploitation Unlikely |
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