Security readout for executives and security teams
Plain-English summary
This is a Windows privilege-escalation flaw in the Audio Service. A user or malware already running locally could gain elevated privileges after launching a specially crafted application. It is not described as remote code execution by itself, but it can increase business impact when chained with another vulnerability.
Executive priority
Treat as high priority for normal Windows patch management. It is not sourced as actively exploited, but successful use could let attackers expand control after initial access, increasing incident severity.
Technical view
CVE-2019-1022 affects listed Windows 10, Windows Server 2019, and Windows Server version 1903 builds. The flaw is in how Windows Audio Service handles requests. Microsoft rates it CVSS 3.1 7.8, local attack vector, low complexity, low privileges required, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely where affected Windows 10 1809/1903 or Windows Server 2019/version 1903 systems remain unpatched. Risk is higher on endpoints or servers where local users, downloaded software, or already-present malware can execute code.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. Exploitation requires local code execution with low privileges, then uses this flaw to elevate privileges. Microsoft notes it may be combined with remote code execution or other elevation flaws.
Researcher notes
No CWE is provided in the bundle. CVSS vector is AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H with exploit code maturity proof-of-concept, remediation official fix, and report confidence confirmed. Evidence supports local privilege escalation, not standalone remote compromise.
Mitigation direction
- Apply the Microsoft security update for CVE-2019-1022 on affected Windows systems.
- Check MSRC guidance for the exact update package applicable to each Windows version.
- Prioritize internet-exposed workflows that can lead to local code execution on Windows hosts.
- Limit local code execution rights and software installation paths until patching is complete.
Validation and detection
- Inventory Windows 10 1809/1903 and Windows Server 2019/version 1903 systems.
- Confirm installed Microsoft security updates include the fix for CVE-2019-1022.
- Review endpoint telemetry for suspicious local privilege escalation attempts on affected hosts.
- Verify no unsupported or unpatched affected builds remain in production.
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-1022 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
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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:H/I:H/A:H/E:P/RL:O/RC:C1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Windows Audio Service Elevation of Privilege VulnerabilityCVE reference · vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1022CVE 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.