Security readout for executives and security teams
Plain-English summary
CVE-2025-24993 is a Windows NTFS memory corruption flaw that can let an unauthenticated attacker run code locally after user interaction. It affects many Windows client and server releases. Because CISA lists it in KEV, organizations should treat unpatched systems as a real-world risk, not a theoretical issue.
Executive priority
Prioritize this as a high-severity Windows fleet patching issue with confirmed known exploitation. It is not described as remotely exploitable over the network in the provided CVSS vector, but compromise impact is high once exploited.
Technical view
The source describes a heap-based buffer overflow in Windows NTFS, mapped to CWE-122. Microsoft rates it CVSS 7.8 with local attack vector, low complexity, no privileges required, user interaction required, and high confidentiality, integrity, and availability impact. MSRC lists official remediation as available.
Likely exposure
Exposure is likely where affected Windows 10, Windows 11, or Windows Server systems remain unpatched. The provided list includes Windows Server 2008 through 2019 and multiple Windows 10 and 11 versions. The CVSS vector indicates user interaction is required.
Exploitation context
Active exploitation is supported by the CISA KEV listing. The provided CVSS data indicates functional exploit maturity, but the bundle does not provide campaign details, attacker identity, exploit mechanics, or telemetry on scale.
Researcher notes
Do not infer affected versions beyond the bundle. Key facts are NTFS, heap-based overflow, local code execution, no privileges required, user interaction required, and official fix available. The sources do not include exploit details or specific mitigations beyond Microsoft remediation guidance.
Mitigation direction
- Apply Microsoft’s security update for affected Windows builds.
- Use MSRC guidance to identify the correct update package.
- Prioritize remediation under CISA KEV-driven vulnerability management timelines.
- Reboot and complete pending update actions where required.
- If patching is delayed, follow Microsoft guidance for compensating controls.
Validation and detection
- Inventory Windows client and server builds against the affected product list.
- Confirm the relevant Microsoft security update is installed.
- Check patch compliance in endpoint management tooling.
- Verify no systems remain on affected unpatched builds.
- Track CISA KEV status in vulnerability management records.
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-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-2025-24993 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
- Yes
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C1.85.9Primary CVE scoreVulnerability 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:F/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Windows NTFS Remote Code Execution VulnerabilityCVE reference · vendor-advisory, patch
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24993CVE 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.
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.