Security readout for executives and security teams
Plain-English summary
This is a Windows privilege escalation flaw in Virtualization-Based Security enclaves. An attacker who already has low-privileged local access could potentially gain higher privileges on affected Windows desktops or servers. It is high severity because successful exploitation can impact confidentiality, integrity, and availability.
Executive priority
Treat this as a high-priority Windows patching item, especially for servers and multi-user endpoints. It is not marked as exploited in the provided sources, but privilege escalation flaws can increase the impact of broader compromise chains.
Technical view
CVE-2024-49076 is a CWE-287 authentication issue affecting listed Windows 10, Windows 11, and Windows Server versions. Microsoft rates it CVSS 3.1 7.8 with local access, low complexity, low privileges required, no user interaction, and high impact across confidentiality, integrity, and availability.
Likely exposure
Exposure is likely on unpatched affected Windows 10, Windows 11, and Windows Server 2019, 2022, 2022 23H2, and 2025 systems listed by Microsoft. The provided sources do not narrow exposure to specific configurations beyond affected product versions.
Exploitation context
The provided data does not show active exploitation. CISA KEV is false, and the CVSS exploit maturity value is unproven. Exploitation requires local low-privileged access, so this is most relevant after initial access, insider misuse, or compromised endpoint scenarios.
Researcher notes
The source bundle provides limited root-cause detail beyond CWE-287 and the VBS Enclave component. Avoid assuming public exploit availability or configuration-specific exposure without additional Microsoft detail. Validation should focus on affected OS versions and update state.
Mitigation direction
- Apply the Microsoft security update for CVE-2024-49076 to affected Windows systems.
- Prioritize patching shared workstations, servers, and systems exposed to many local users.
- Verify Microsoft guidance for the exact fixed build applicable to each Windows version.
- Track this CVE in endpoint and server patch compliance reporting.
Validation and detection
- Inventory Windows builds against Microsoft’s affected product list for this CVE.
- Confirm the relevant Microsoft update is installed on each affected asset.
- Review vulnerability scanner results for CVE-2024-49076 after patch deployment.
- Check exception lists for systems delayed from Windows security updates.
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-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. 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-2024-49076 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: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:L/UI:N/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:L/UI:N/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
- Windows Virtualization-Based Security (VBS) Enclave 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.
Improper Authentication
Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.