Security readout for executives and security teams
Plain-English summary
This high-severity Microsoft ODBC Driver flaw could let an attacker run code after a user interacts with malicious content. Successful exploitation could expose, alter, or disrupt data and systems. Exploitation is considered difficult, and the supplied sources provide no evidence of active attacks.
Executive priority
Treat as a prompt patching priority because successful exploitation could fully compromise affected processes. The available evidence does not justify an emergency active-exploitation response, but exposed or user-facing systems should be assessed and updated first.
Technical view
CVE-2024-21347 is a network-reachable, heap-based buffer overflow (CWE-122) with CVSS 3.1 score 7.5. Exploitation requires user interaction, no prior privileges, and high attack complexity. Successful exploitation may cause remote code execution with high confidentiality, integrity, and availability impact; scope remains unchanged.
Likely exposure
Potential exposure includes the listed Windows 10, Windows 11, and Windows Server 2008 through 2016 versions. The bundle does not identify the precise vulnerable ODBC component versions, configurations, or application paths, so asset-specific exposure must be confirmed against Microsoft’s advisory.
Exploitation context
The CVSS vector indicates network access and user interaction are required, while attack complexity is high. The record is not listed in CISA KEV, and its temporal metric reports exploitation as unproven. No supplied source establishes public exploitation or active attacks.
Researcher notes
The supplied evidence identifies CWE-122 but provides no vulnerable function, protocol sequence, proof of concept, or confirmed exploitation. Researchers should focus on defensive validation, affected-version mapping, crash telemetry, and vendor patch analysis without assuming every listed Windows installation is exploitable.
Mitigation direction
- Install the applicable Microsoft security update identified by the vendor advisory.
- Prioritize systems that process untrusted ODBC-related content or connections.
- Restrict unnecessary exposure and untrusted input paths until updates are verified.
- Consult Microsoft guidance for version-specific patches or additional mitigations.
Validation and detection
- Inventory listed Windows editions, versions, and installed ODBC components.
- Compare installed update levels with Microsoft’s CVE advisory requirements.
- Confirm applicable security updates installed successfully across managed endpoints and servers.
- Review endpoint telemetry for unusual crashes or code execution involving ODBC components.
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-122: 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-2024-21347 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
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/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:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C1.65.9microsoftVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:H/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 ODBC Driver 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.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.