Security readout for executives and security teams
Plain-English summary
A low-privileged user who already has local access to an affected Windows system could exploit a memory-handling flaw to gain higher privileges. Successful exploitation could enable complete compromise of data, system integrity, and availability. This is serious for workstations and servers, but the supplied evidence does not show remote exploitation or confirmed active attacks.
Executive priority
Treat this as a high-priority patching issue, especially on servers and systems with multiple users or elevated compromise risk. It is not evidenced here as an emergency active-exploitation event, but its low-complexity local path and potential full-system impact justify prompt remediation through normal accelerated patch procedures.
Technical view
CVE-2024-30085 is a local elevation-of-privilege vulnerability in the Windows Cloud Files Mini Filter Driver, classified as CWE-122. CVSS 3.1 rates it 7.8: local access, low complexity, low privileges, and no user interaction, with high confidentiality, integrity, and availability impact. The supplied Microsoft reference is identified as containing a patch.
Likely exposure
Exposure includes the listed Windows 10 1809, 21H2, and 22H2; Windows 11 21H2, 22H2, and 23H2; Windows Server 2019; and Windows Server 2022 variants. Prioritize shared workstations, servers, and systems where untrusted or compromised low-privileged accounts can execute locally. The bundle does not provide precise patched build thresholds.
Exploitation context
The attack requires local access and existing low privileges; it is not described as remotely exploitable. Low attack complexity and no required user interaction increase post-compromise value. The source bundle marks KEV false and provides no cited evidence of active exploitation, so active attacks should not be claimed. The CVSS vector reports proof-of-concept exploit maturity.
Researcher notes
The bundle identifies CWE-122 but provides no root-cause detail, vulnerable function, fixed build thresholds, or confirmed exploitation telemetry. Assessment should remain limited to a local, low-privilege, no-interaction elevation path with potentially complete system impact. Consult the live Microsoft advisory for platform-specific update details; do not infer additional affected products from the driver name.
Mitigation direction
- Apply the applicable Microsoft security update for each affected Windows version.
- Check Microsoft guidance for exact fixed builds and any version-specific requirements.
- Prioritize internet-facing servers, shared systems, and endpoints with higher local-access risk.
- Restrict unnecessary local access and investigate compromised low-privileged accounts while patching proceeds.
Validation and detection
- Inventory systems running the affected Windows editions and builds listed in the advisory.
- Verify each system has the applicable Microsoft security update or a later superseding update.
- Use authenticated vulnerability scanning to confirm remediation across endpoints and servers.
- Review endpoint telemetry for suspicious privilege elevation, without treating absence as proof of safety.
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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2024-30085 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:L/UI:N/S:U/C:H/I:H/A:H/E:P/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:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C1.85.9microsoftVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/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
- Windows Cloud Files Mini Filter Driver Elevation of Privilege 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.