CVE-2017-0099
No known exploitation. EPSS puts it in the 72nd percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
Hyper-V in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and 2008 R2; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows guest OS users, running as virtual machines, to cause a denial of service via a crafted application, aka "Hyper-V Denial of Service Vulnerability." This vulnerability is different from those described in CVE-2017-0098, CVE-2017-0074, CVE-2017-0076, and CVE-2017-0097.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
1.4% chance of exploitation activity in the next 30 days, which ranks it in the 72nd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 3387 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- Windows 10Operating Systems / windows
- Windows 7 Service Pack 1Operating Systems / windows
- Windows 8.1Operating Systems / windows
- Windows Server 2008 Service Pack 2Operating Systems / windows
- Windows Server 2012 GoldOperating Systems / windows
- Windows Server 2016Operating Systems / windows
- windows vistaOperating Systems / windows
- Windows Vista Service Pack 2Operating Systems / windows
And 8 more affected products. See all after sign-in
Technical detail
CVSS 3.0 vector
Open in the CVSS calculatorCVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
Scored 5.4 by NVD.
How it is reached
- Attack Vector AdjacentRequires access to the local network (e.g. same Wi-Fi, Bluetooth)
- Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
- Privileges Required HighRequires admin or elevated privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity NoneNo integrity impact
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationlow confidence
Sources
References in the record
- securityfocus.com/bid/96640
- securitytracker.com/id/1037999
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0099
And 1 more reference. See all after sign-in
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