Security readout for executives and security teams
CVE-2019-0541 is a Microsoft MSHTML remote code execution flaw affecting Office, Office viewers, Office 365 ProPlus, and Internet Explorer. A user likely must open malicious content or browse to a crafted page. Successful exploitation could run code with the user's rights. CISA KEV listing indicates observed exploitation, so legacy endpoints need prompt validation. Exposure is most likely on endpoints or servers retaining affected Office, Office Word Viewer, Excel Viewer, Office 365 ProPlus, or Internet Explorer versions, especially legacy Windows fleets. Organizations that still allow IE or old Office viewers for business workflows should treat this as materially exposed until inventoried. Treat as high priority because it combines remote code execution impact with confirmed KEV exploitation and broad Microsoft desktop exposure. Business urgency depends on whether legacy Office, viewers, or Internet Explorer remain in the environment. Mitigation focus: Check the Microsoft MSRC advisory for vendor guidance and applicable security updates.; Inventory affected Office, Office viewers, Office 365 ProPlus, and Internet Explorer deployments.; Prioritize remediation for internet-facing users and users handling external documents..
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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CWE-77: Command execution behavior lookup
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Open ATT&CK lookupExecution 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 lookupCVE-2019-0541 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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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:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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-2019-0541CVE reference · x_refsource_CONFIRM
- 46536CVE reference · exploit, x_refsource_EXPLOIT-DB
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0541CVE 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 Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.