Security readout for executives and security teams
Plain-English summary
CVE-2022-30203 is a high-severity Windows Boot Manager security feature bypass. The business risk is concentrated on machines where an attacker can get physical access and some local privilege. Successful abuse could undermine boot-time protections and affect confidentiality, integrity, and availability.
Executive priority
Treat as high priority for physically exposed or high-value Windows systems. It is less urgent than an internet-exploitable remote flaw, but still important because boot security failures can weaken foundational trust in the device.
Technical view
Microsoft describes this as a Windows Boot Manager security feature bypass tied to CWE-863. The CVSS 3.1 score is 7.4 with physical attack vector, low complexity, low privileges, no user interaction, changed scope, and high CIA impact.
Likely exposure
Exposure applies to listed Windows client and server versions, including Windows 7, 8.1, 10, 11 21H2, Server 2008, 2016, 2019, 2022, and Server Core variants. It is not described as remotely reachable over the network.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The CVSS vector indicates exploitation requires physical access and low privileges, which makes shared, unattended, or poorly controlled devices higher concern.
Researcher notes
Public detail in the supplied bundle is limited to CVE, MSRC, CVSS, CWE, and affected products. Avoid assuming a specific bypass technique, exploit maturity, or compensating control beyond Microsoft’s advisory and update guidance.
Mitigation direction
- Review Microsoft MSRC guidance for CVE-2022-30203.
- Apply applicable Microsoft security updates for affected Windows versions.
- Prioritize laptops, kiosks, shared workstations, and physically accessible servers.
- Retire or isolate unsupported affected Windows versions where updates are unavailable.
Validation and detection
- Inventory Windows versions against the affected product list.
- Check patch compliance for CVE-2022-30203 through Microsoft update tooling.
- Confirm physical access controls for higher-value affected systems.
- Document exceptions for unsupported or unpatched systems.
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-863: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2022-30203 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
- 7.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/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.
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:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C0.76Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.4HighVector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Windows Boot Manager Security Feature Bypass VulnerabilityCVE reference · vendor-advisory
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.