Security readout for executives and security teams
Plain-English summary
CVE-2023-33150 is a critical Microsoft Office security feature bypass. A user must interact with malicious Office content, but the CVSS score indicates potential severe confidentiality, integrity, and availability impact. Treat this as urgent for environments with affected Office or Word versions.
Executive priority
High urgency. This is a critical Office issue with broad enterprise exposure and severe potential impact, but the provided evidence does not establish active exploitation. Patch affected Office estates promptly and track completion.
Technical view
The provided sources classify this as CWE-693, protection mechanism failure, affecting Microsoft Office, Microsoft 365 Apps for Enterprise, Office LTSC 2021, and Word 2013/2016. CVSS 3.1 is 9.6 with network attack vector, low complexity, no privileges, required user interaction, changed scope, and high CIA impact.
Likely exposure
Exposure is likely where users run affected Microsoft Office or Word versions, especially systems that open external or untrusted documents. Microsoft 365 Apps for Enterprise and Office LTSC/2019/2016/2013 entries are named in the source bundle.
Exploitation context
The bundle does not show CISA KEV listing or active exploitation evidence. The CVSS vector indicates exploitation requires user interaction and no attacker privileges. The public details provided do not explain the exact bypass mechanism.
Researcher notes
Public source detail is limited. The CVSS vector and CWE point to a security control bypass, not a fully described exploit path. Avoid assuming affected components beyond the listed Office and Word products.
Mitigation direction
- Apply Microsoft’s official updates for CVE-2023-33150 from the MSRC advisory.
- Prioritize internet-facing, executive, finance, legal, and document-heavy user groups.
- Confirm Microsoft 365 Apps and Office click-to-run update channels are current.
- Follow Microsoft guidance for unsupported or legacy Office deployments.
- Use heightened caution for untrusted Office documents until patched.
Validation and detection
- Inventory Office and Word versions across managed endpoints.
- Compare installed versions against Microsoft’s CVE-2023-33150 guidance.
- Verify update deployment success through endpoint management reporting.
- Check whether Office 2013 SP1, Word 2016, Office 2019, or LTSC 2021 remain present.
- Document exceptions and compensating controls for systems not yet patched.
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-693: 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-2023-33150 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
- Critical
- CVSS
- 9.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C2.86Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.6CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Microsoft Office Security Feature Bypass VulnerabilityCVE reference · vendor-advisory
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.
Protection Mechanism Failure
Protection Mechanism Failure represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.