Security readout for executives and security teams
Plain-English summary
CVE-2019-1315 is a Windows privilege-escalation flaw in Windows Error Reporting Manager. A user with local access could potentially gain higher privileges. Because CISA lists it in the Known Exploited Vulnerabilities catalog, organizations should treat exposed, unpatched Windows systems as urgent.
Executive priority
Prioritize remediation on internet-managed fleets, shared servers, and endpoints used by privileged staff. This is not described as remote code execution, but known exploitation makes it a material escalation risk after initial access.
Technical view
The vulnerability is improper hard-link handling in Windows Error Reporting Manager, mapped to CWE-59. CVSS 3.1 is 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 client or Windows Server versions remain unpatched, including Windows 7, 8.1, multiple Windows 10 releases through 1903, and Windows Server 2008 through 2019 variants.
Exploitation context
CISA KEV status indicates known exploitation. Sources do not provide exploit details, campaign attribution, or public exploit mechanics, so this should be handled as a proven post-access escalation risk without assuming remote initial compromise.
Researcher notes
Do not infer affected builds beyond the Microsoft-listed Windows versions. Evidence supports local privilege escalation via hard-link handling. The provided sources do not include proof-of-concept details, specific KB identifiers, mitigations, or exploit chain context.
Mitigation direction
- Identify affected Windows and Windows Server versions in asset inventory.
- Review Microsoft MSRC guidance for CVE-2019-1315.
- Apply Microsoft-provided security updates or remediation guidance where applicable.
- Prioritize remediation according to CISA KEV handling expectations.
- Limit unnecessary local user access until remediation is confirmed.
Validation and detection
- Compare endpoint operating system versions against the affected product list.
- Verify update compliance against Microsoft’s CVE-2019-1315 advisory.
- Confirm vulnerability tracking marks CISA KEV remediation complete.
- Review endpoint alerts for suspicious local privilege escalation activity involving Windows Error Reporting.
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.
CWE-59: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK 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-2019-1315 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
- 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-2019-1315CVE reference · x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1315CVE 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.
Improper Link Resolution Before File Access ('Link Following')
Improper Link Resolution Before File Access ('Link Following') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.