CVE-2026-50485
Windows Hyper-V Denial of Service Vulnerability
MEDIUM
5.7
CVSS Score
Published: July 14, 2026 at 05:07 PM UTC
Updated: October 28, 2026 at 08:04 PM UTC
12 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012
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Severity
MEDIUM5.7
Exploit prediction
EPSS 0.7%
SSVC
No known exploit
Description
Buffer over-read in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 10.0.14393.933910.0.14393.0
Affected range stops below 10.0.14393.9339, so it looks safe — our inference, not a vendor statement
v < 10.0.17763.902010.0.17763.0
Affected range stops below 10.0.17763.9020, so it looks safe — our inference, not a vendor statement
v < 10.0.19044.754810.0.19044.0
Affected range stops below 10.0.19044.7548, so it looks safe — our inference, not a vendor statement
v < 10.0.19045.754810.0.19045.0
Affected range stops below 10.0.19045.7548, so it looks safe — our inference, not a vendor statement
v < 10.0.26100.887510.0.26100.0
Affected range stops below 10.0.26100.8875, so it looks safe — our inference, not a vendor statement
v < 10.0.26200.887510.0.26200.0
Affected range stops below 10.0.26200.8875, so it looks safe — our inference, not a vendor statement
v < 10.0.28000.252510.0.28000.0
Affected range stops below 10.0.28000.2525, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.9200.26226, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.9600.23291, so it looks safe — our inference, not a vendor statement
v < 10.0.14393.933910.0.14393.0
Affected range stops below 10.0.14393.9339, so it looks safe — our inference, not a vendor statement
v < 10.0.17763.902010.0.17763.0
Affected range stops below 10.0.17763.9020, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50485SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-126
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