Security readout for executives and security teams
Plain-English summary
CVE-2019-0710 can let a privileged user inside a Windows Hyper-V guest VM crash the host server. The main business risk is availability: multiple workloads on the same host could be disrupted. This is not described as unauthenticated remote compromise or data theft in the supplied sources.
Executive priority
Treat this as a patching and availability-risk item, not an emergency compromise signal. Prioritize shared virtualization hosts, production clusters, and environments where guest administrators are not fully trusted. Confirm remediation through Windows update compliance reporting.
Technical view
Microsoft describes a Hyper-V denial-of-service flaw caused by improper validation of input from a privileged guest operating system user. A specially crafted application in the guest could cause the host machine to crash. CVSS 3.1 is 6.8 with high availability impact and no confidentiality or integrity impact.
Likely exposure
Exposure is limited to affected Windows Hyper-V hosts listed by Microsoft, including Windows 8.1, Windows 10 versions 1507-1809, Windows Server 2012 R2, 2016, and 2019. Risk is highest where untrusted users can obtain privileged access inside guest VMs.
Exploitation context
The supplied sources do not show CISA KEV listing or confirmed active exploitation. Exploitation requires an attacker who already has a privileged account on a guest VM. Successful exploitation can crash the host, affecting availability of colocated workloads.
Researcher notes
The bundle provides Microsoft’s description, affected product list, CVSS vector, and remediation direction, but no root-cause detail, public exploit status, or specific KB mapping. Avoid assuming guest-to-host code execution; the stated impact is host denial of service.
Mitigation direction
- Apply the Microsoft security update for CVE-2019-0710 to affected Hyper-V hosts.
- Prioritize hosts running untrusted, multi-tenant, or externally administered guest VMs.
- Restrict and review privileged access inside guest operating systems.
- Confirm Hyper-V hosts are covered by normal Windows patch management.
- Check current Microsoft guidance for affected builds and update availability.
Validation and detection
- Inventory Windows systems running the Hyper-V role.
- Map host OS versions against the affected products in the MSRC advisory.
- Verify installed security updates include the CVE-2019-0710 fix.
- Review guest VM administrator assignments for unnecessary privileged access.
- Check monitoring for unexplained Hyper-V host crashes or availability incidents.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-0710 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C2.34Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.8MediumVector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Windows Hyper-V Denial of Service VulnerabilityCVE reference · vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0710CVE reference · x_refsource_MISC, x_transferred
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.