Security readout for executives and security teams
Plain-English summary
CVE-2021-41368 is a Microsoft Access remote code execution issue affecting multiple Office versions. It requires local context and user interaction, so mass unauthenticated exploitation is not indicated. Business urgency is highest where users open untrusted Office documents.
Executive priority
Treat as a medium-priority endpoint patching issue. Escalate for teams handling external documents, legal files, finance attachments, or customer submissions.
Technical view
The supplied CVSS vector is 6.1: local attack vector, low complexity, no privileges, required user interaction, unchanged scope, low confidentiality impact, high integrity impact, and no availability impact. Affected products include Office 2013 SP1, 2016, 2019, LTSC 2021, and Microsoft 365 Apps for Enterprise.
Likely exposure
Exposure is most likely on user endpoints with affected Microsoft Office or Access-capable installations. The provided evidence does not support internet-facing server exposure.
Exploitation context
The bundle does not show CISA KEV listing or cite active exploitation. The required user interaction makes malicious document delivery the main plausible scenario, but exploit-in-the-wild evidence is not provided.
Researcher notes
Evidence is limited to Microsoft, CVE, and ZDI references. No CWE is supplied. Do not assume broader product impact, public exploit availability, or active exploitation beyond these sources.
Mitigation direction
- Apply Microsoft’s official security update guidance for CVE-2021-41368.
- Prioritize endpoints running affected Microsoft Office versions.
- Limit opening of untrusted Access or Office files until patched.
- Use endpoint controls to restrict suspicious Office child-process behavior.
Validation and detection
- Inventory Office 2013 SP1, 2016, 2019, LTSC 2021, and Microsoft 365 Apps endpoints.
- Confirm patch status against Microsoft’s CVE-2021-41368 advisory.
- Review email and web controls for untrusted Office document delivery.
- Check EDR telemetry for suspicious Office or Access process activity.
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-2021-41368 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
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N/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:L/I:H/A:N/E:U/RL:O/RC:C1.84.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N/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-2021-41368CVE reference · x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-21-1309/CVE 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.