Security readout for executives and security teams
Plain-English summary
This high-severity Microsoft Office flaw could let an attacker run code with the victim’s privileges. Successful exploitation requires user interaction and a local attack vector. Confidentiality, integrity, and availability impacts are rated high, making compromise potentially serious even though the supplied evidence does not show active exploitation.
Executive priority
Treat this as a high-priority patching item because successful code execution could substantially affect business data and endpoint availability. Prioritize confirmed affected installations, while recognizing that the supplied sources do not establish active exploitation or emergency-level criticality.
Technical view
CVE-2024-43616 is an Office remote code execution vulnerability classified as CWE-426, Untrusted Search Path. Its CVSS 3.1 score is 7.8: low complexity, no privileges required, user interaction required, local attack vector, unchanged scope, and high confidentiality, integrity, and availability impacts.
Likely exposure
Exposure applies to the listed Microsoft 365 Apps for Enterprise, Office 2019, Office LTSC 2021, and Office LTSC 2024 versions. Actual exposure depends on installed versions and update status; the supplied bundle does not provide build-level fixed-version details.
Exploitation context
The supplied CVSS vector indicates exploitation requires local access conditions and victim interaction, but no prior attacker privileges. The bundle marks the CVE as absent from CISA KEV and provides no other evidence of active exploitation or public exploit availability.
Researcher notes
The source bundle identifies CWE-426 but does not describe the vulnerable component, triggering artifact, attack sequence, fixed build numbers, or exploit availability. Researchers should rely on Microsoft’s advisory and CVE record for further verified details and avoid inferring unsupported delivery mechanisms.
Mitigation direction
- Apply the applicable Microsoft security update referenced by the vendor advisory.
- Prioritize affected endpoints used for email, document handling, or untrusted content.
- Consult Microsoft guidance for exact fixed builds and any product-specific requirements.
- Use normal change controls while avoiding unnecessary delays for exposed Office installations.
Validation and detection
- Inventory installations of the four named Microsoft Office product families.
- Compare installed Office versions and build numbers with Microsoft’s advisory.
- Confirm the applicable security update is successfully installed across managed endpoints.
- Re-scan endpoints and investigate systems that remain outdated or cannot report status.
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-426: 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 lookupExecution 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-2024-43616 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.
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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C1.85.9microsoftVulnerability 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
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 Remote Code Execution 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.
Untrusted Search Path
Untrusted Search Path represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.