Security readout for executives and security teams
Plain-English summary
CVE-2020-17019 is a Microsoft Excel remote code execution vulnerability. The source data identifies Microsoft Office 2010 Service Pack 2 as affected. An attacker would need a user to interact with a malicious Excel-related file, but successful exploitation could compromise confidentiality, integrity, and availability.
Executive priority
Prioritize remediation where legacy Office 2010 remains in use, especially on user workstations handling external files. This is high severity because successful exploitation could run code with major business impact, although the provided sources do not show active exploitation.
Technical view
The CVSS 3.1 vector is 7.8 High: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The attack is local in CVSS terms and requires user interaction, with no privileges required. The bundle lists Microsoft Office 2010 SP2, Excel 2010 CPE, version 13.0.0.0 as affected.
Likely exposure
Exposure is most likely in environments still running Microsoft Office 2010 Service Pack 2 or Excel 2010 where users can receive or open untrusted spreadsheet files. The source bundle does not identify other affected Microsoft Office versions.
Exploitation context
The bundle does not show CISA KEV listing or confirmed active exploitation. CVSS exploit code maturity is listed as unproven. Treat this as a serious document-handling risk, but do not assume exploitation in the wild from the provided evidence.
Researcher notes
Evidence is limited to the CVE record, CVE List data, and Microsoft advisory reference. No CWE, exploit details, or broader affected product matrix are included in the bundle. Avoid expanding scope beyond Office 2010 SP2 unless confirmed by Microsoft guidance.
Mitigation direction
- Review the Microsoft MSRC advisory for the official remediation details.
- Apply Microsoft-provided updates or vendor-directed fixes for affected Office 2010 SP2 systems.
- Inventory endpoints for Microsoft Office 2010 SP2 or Excel 2010 installations.
- Prioritize controls that reduce opening of untrusted spreadsheet files.
- Replace unsupported or unmanaged Office installations where patch assurance is weak.
Validation and detection
- Confirm whether Office 2010 SP2 or Excel 2010 is installed on endpoints.
- Compare installed update levels against the Microsoft MSRC advisory.
- Check vulnerability management results for CVE-2020-17019 coverage.
- Verify patched systems no longer report the affected Excel 2010 CPE.
- Document any residual legacy Office systems and compensating controls.
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 lookupCVE-2020-17019 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:N/UI:R/S:U/C:H/I:H/A:H/E:U/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:N/UI:R/S:U/C:H/I:H/A:H/E:U/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:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17019CVE 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.