Security readout for executives and security teams
Plain-English summary
This Microsoft Word flaw can expose sensitive information after user interaction. Although Microsoft rates it medium, CISA lists it in KEV, meaning exploitation has been observed. Organizations using affected Office or Word versions should treat this as urgent patch validation, especially on endpoints handling external documents.
Executive priority
Treat as high priority despite medium CVSS because CISA lists it as known exploited. Focus on rapid update verification, executive visibility for unmanaged endpoints, and any business units that process unsolicited documents.
Technical view
CVE-2023-36761 is a Microsoft Word information disclosure issue mapped to CWE-20. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, indicating remote reachability, low complexity, no privileges, required user interaction, and high confidentiality impact.
Likely exposure
Exposure is likely on endpoints running Microsoft Office 2019, Microsoft 365 Apps for Enterprise, Office LTSC 2021, Word 2016, or Word 2013 SP1. Systems most at risk are those where users regularly open externally supplied Office documents or email attachments.
Exploitation context
CISA KEV status supports that exploitation has occurred in the wild. The provided sources do not describe exploit mechanics, scope, targets, or indicators. CVSS shows user interaction is required and the impact is limited to confidentiality, not integrity or availability.
Researcher notes
The source bundle confirms affected Microsoft Office and Word products, CVSS 6.5, CWE-20, official remediation availability, and KEV status. It does not provide root-cause details, proof-of-concept status, exploit chain context, or detection indicators.
Mitigation direction
- Apply Microsoft guidance and security updates from the MSRC advisory.
- Prioritize affected Office and Word endpoints exposed to external documents.
- Confirm Microsoft 365 Apps update channels are current.
- Reduce risky document handling where patching is delayed.
- Monitor CISA KEV deadlines and internal remediation status.
Validation and detection
- Inventory installed Microsoft Office and Word versions across endpoints.
- Check patch status against the MSRC CVE-2023-36761 advisory.
- Verify Microsoft 365 Apps build compliance through endpoint management.
- Review security telemetry for suspicious Office document handling.
- Confirm vulnerable versions are no longer present after remediation.
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-20: 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 lookupCVE-2023-36761 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
- 6.5 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/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.
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:N/A:N/E:P/RL:O/RC:C2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Microsoft Word Information Disclosure VulnerabilityCVE reference · vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36761CVE 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 Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.