Security readout for executives and security teams
Plain-English summary
A Microsoft Office spoofing flaw could expose sensitive information when a user interacts with malicious content. The supplied CVSS score is 6.5, indicating meaningful but not critical risk. Successful exploitation requires user interaction and is not shown to affect integrity or availability.
Executive priority
Treat this as a normal-priority security update with increased urgency for high-exposure users and sensitive-data environments. It does not warrant a critical incident response based solely on the supplied evidence, but delayed remediation preserves a confidentiality risk requiring no attacker privileges.
Technical view
CVE-2024-43609 is classified as CWE-200 information exposure. Its CVSS 3.1 vector indicates network reachability, low attack complexity, no privileges required, required user interaction, and high confidentiality impact. The supplied record identifies several Microsoft Office editions as affected.
Likely exposure
Exposure is limited to organizations running the listed Microsoft 365 Apps for Enterprise, Office 2016, Office 2019, Office LTSC 2021, or Office LTSC 2024 versions. Actual exposure depends on installed builds, update status, and whether users can receive and open untrusted Office content.
Exploitation context
The supplied record does not identify active exploitation, and CVE-2024-43609 is not marked as CISA KEV. The CVSS vector reports unproven exploit maturity. User interaction is required, but no source details the exact delivery mechanism or attack prerequisites beyond the vector.
Researcher notes
The public bundle provides little root-cause detail beyond spoofing, CWE-200, affected editions, and the CVSS vector. It does not establish the vulnerable component, document format, attack chain, indicators, or active exploitation. Validate affected build ranges and remediation directly against the Microsoft advisory.
Mitigation direction
- Review the Microsoft advisory for applicable security updates and product-specific guidance.
- Deploy applicable Microsoft updates through the organization’s normal tested patch process.
- Prioritize systems and users handling sensitive information or frequent external documents.
- Maintain controls for screening and restricting untrusted Office content.
Validation and detection
- Inventory installations of every Office product listed in the CVE record.
- Compare installed builds and update status against Microsoft’s current advisory.
- Confirm applicable security updates installed successfully across managed endpoints.
- Use endpoint and document-security telemetry to review suspicious Office content interactions.
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-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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-2024-43609 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
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/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.
SSVC decision data
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:U/RL:O/RC:C2.83.6microsoftVulnerability 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:U/RL:O/RC:C
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- Microsoft Office Spoofing VulnerabilityCVE reference, microsoft · vendor-advisory, patch
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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.