Security readout for executives and security teams
Plain-English summary
This is a local denial-of-service issue in Windows Error Reporting. A user with low privileges could affect system availability, but the source bundle does not indicate data theft, privilege escalation, remote exploitation, or active exploitation.
Executive priority
Treat this as routine-to-prioritized patching, not an emergency. Business risk is service disruption on affected Windows systems, especially shared or operationally important machines.
Technical view
CVE-2020-17046 affects multiple Windows 10 and Windows Server releases. CVSS 3.1 is 5.5: local attack vector, low complexity, low privileges required, no user interaction, and high availability impact only.
Likely exposure
Exposure is most relevant on affected Windows 10 endpoints and Windows Server 2016/2019 or versioned Server Core installations that have not received the relevant Microsoft security guidance or updates.
Exploitation context
The CVSS vector lists proof-of-concept maturity, but KEV is false and the provided sources do not cite active exploitation. The issue requires local access and low privileges.
Researcher notes
Available public detail is sparse: no CWE is provided, and the bundle only identifies Windows Error Reporting denial of service with local prerequisites. Avoid assuming root cause or exploit mechanics without vendor detail.
Mitigation direction
- Inventory affected Windows desktop and server versions listed by Microsoft.
- Apply Microsoft security updates or vendor guidance for CVE-2020-17046.
- Prioritize shared servers, kiosk systems, and multi-user endpoints.
- Retire or isolate unsupported Windows builds where updates are unavailable.
Validation and detection
- Check asset inventory for listed Windows 10 and Windows Server versions.
- Verify patch status against Microsoft guidance for CVE-2020-17046.
- Review endpoint telemetry for repeated local crashes or availability disruptions.
- Confirm no critical services depend on unpatched affected hosts.
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-2020-17046 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
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/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:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17046CVE reference · x_refsource_MISC
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.