CRITICAL CWE-362
CVE-2026-56188
Windows Server Network driver Remote Code Execution Vulnerability
Microsoft·Windows 10 Version 1607
9.8/ 10
CVSS 3.1
Critical severity
0.61%
EPSS exploit odds
Chance of exploitation in the next 30 days
Higher than 50% of all CVEs
Not listed
CISA KEV catalog
No confirmed in-the-wild exploitation on CISA's list.
Timeline
- Published
- Jul 14, 2026
- Updated
- Nov 1, 2026
- First covered
- Jul 14, 2026
- Latest story
- 4 months ago
Summary
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Network driver allows an unauthorized attacker to execute code over a network.
CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Attack profile
Attack vectorNetwork
ComplexityLow
PrivilegesNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CAffected products
- Microsoft Windows 10 Version 160710.0.14393.0 to before 10.0.14393.9339
- Microsoft Windows 10 Version 180910.0.17763.0 to before 10.0.17763.9020
- Microsoft Windows 10 Version 21H210.0.19044.0 to before 10.0.19044.7548
- Microsoft Windows 10 Version 22H210.0.19045.0 to before 10.0.19045.7548
- Microsoft Windows 11 Version 24H210.0.26100.0 to before 10.0.26100.8875
- Microsoft Windows 11 Version 25H210.0.26200.0 to before 10.0.26200.8875
- Microsoft Windows 11 version 26H110.0.28000.0 to before 10.0.28000.2525
- Microsoft Windows Server 20126.2.9200.0 to before 6.2.9200.26226