Security readout for executives and security teams
Plain-English summary
A Windows flaw can bypass security-zone mapping protections after a user interacts with attacker-controlled content. Successful exploitation could seriously affect confidentiality, integrity, and availability. Microsoft rates the issue high severity, but the supplied evidence does not establish active exploitation.
Executive priority
Prioritize remediation in the normal high-severity patch cycle, accelerated for systems exposed to untrusted user content. User interaction reduces immediacy, but the potential business impact is substantial. Escalate exceptions involving unsupported Windows releases or systems that cannot receive the applicable Microsoft update.
Technical view
CVE-2024-30073 is a Windows Security Zone Mapping security-feature bypass classified as CWE-41. Its CVSS 3.1 score is 7.8: local attack vector, low complexity, no privileges required, and user interaction required, with high potential impact across confidentiality, integrity, and availability. The supplied sources do not describe the precise trigger or bypass mechanism.
Likely exposure
Exposure includes unpatched systems running the listed Windows 10, Windows 11, and Windows Server releases. Actual exposure depends on the applicable edition, build, support status, and installed Microsoft security updates. The supplied affected list extends through Windows Server 2016 but may not establish a complete enterprise inventory scope.
Exploitation context
The supplied record marks KEV as false and provides no evidence of active exploitation or a public exploit. Exploitation requires user interaction and uses a local attack vector. Treat claims of exploitation beyond these facts as unverified until supported by Microsoft, CISA KEV, or another cited source.
Researcher notes
Public evidence in the bundle is limited to classification, affected releases, scoring, and the Microsoft advisory. It does not provide root-cause detail, indicators of compromise, exploit telemetry, or specific KB identifiers. Validate exact applicability and remediation through Microsoft’s advisory without inferring exploitability from the CVSS score alone.
Mitigation direction
- Apply the applicable Microsoft security update identified in the vendor advisory.
- Prioritize affected user workstations and servers where users handle untrusted files or links.
- Use vendor guidance for systems lacking an applicable update or still requiring verification.
- Reduce user interaction with untrusted content until remediation is confirmed.
Validation and detection
- Inventory Windows versions, editions, and build numbers against the supplied affected-product list.
- Check installed updates against the applicable Microsoft advisory entry for each system.
- Confirm deployment success and investigate systems reporting failed or pending updates.
- Reassess exposure after patching, including unsupported or isolated systems requiring vendor guidance.
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-41: 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 lookupCVE-2024-30073 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
- Windows Security Zone Mapping Security Feature Bypass 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 Resolution of Path Equivalence
Improper Resolution of Path Equivalence represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.