Security readout for executives and security teams
CVE-2019-1458 lets a local Windows user gain higher privileges through a Win32k memory-handling flaw. It is not remote code execution, but it can turn a foothold into full host compromise. CISA lists it as known exploited, so exposed legacy Windows estates deserve priority attention. Exposure is likely where affected Windows client or server versions remain unpatched, including listed Windows 7, 8.1, 10, RT 8.1, and Windows Server 2008 through 2016 variants. Treat this as high priority because it is KEV-listed and helps attackers escalate privileges after initial access. It is most urgent for legacy Windows systems, shared endpoints, and servers where local compromise would materially increase business impact. Mitigation focus: Review Microsoft’s CVE-2019-1458 advisory for the applicable security updates.; Patch affected Windows and Windows Server systems according to Microsoft guidance.; Prioritize internet-facing, shared, kiosk, and high-value administrative workstations..
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
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ATT&CK lookup starting points
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Privilege 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-2019-1458 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
CISA KEV status
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:H1.85.9Primary 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
Source materials
- CVE List V5 sourceCVE List V5
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1458CVE reference · x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1458CVE reference · government-resource
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.