Security readout for executives and security teams
Plain-English summary
CVE-2022-22038 is a high-severity remote code execution flaw in Microsoft Windows Remote Procedure Call Runtime. A successful attack could let an unauthenticated remote attacker run code on an affected Windows system, but the CVSS vector rates attack complexity as high.
Executive priority
Treat this as a high-priority Windows patching item because impact is full system compromise if exploited. Urgency is lower than known-exploited vulnerabilities, but broad Windows exposure can create material enterprise risk.
Technical view
Microsoft describes this as an RPC Runtime remote code execution vulnerability affecting multiple Windows client and server releases. CVSS 3.1 is 8.1 with network attack vector, no privileges, no user interaction, high confidentiality, integrity, and availability impact, and high attack complexity.
Likely exposure
Exposure is likely in environments running the listed Windows versions, including Windows Server 2012 through 2022 and Windows 8.1 through Windows 11 21H2, especially where RPC services are network-reachable.
Exploitation context
The provided bundle does not show CISA KEV listing or confirmed active exploitation. The CVSS temporal vector indicates proof-of-concept exploit maturity, but no source here provides operational exploit details.
Researcher notes
The evidence supports affected platforms, CVSS severity, network reachability, high attack complexity, and official remediation availability. The bundle does not include root cause, vulnerable RPC interface details, exploit prerequisites, or active exploitation evidence.
Mitigation direction
- Apply Microsoft security updates identified in the MSRC advisory for each affected Windows version.
- Prioritize internet-facing or broadly reachable Windows servers first.
- Restrict unnecessary network access to RPC services where business operations permit.
- Retire or isolate unsupported affected Windows versions if updates cannot be applied.
- Monitor Microsoft guidance for supersedence or platform-specific update notes.
Validation and detection
- Inventory Windows assets against the affected product list in the source bundle.
- Confirm installed security updates match the MSRC advisory for CVE-2022-22038.
- Review network exposure for systems providing RPC-accessible services.
- Check vulnerability scanner results for this CVE after patching.
- Document exceptions where patching is delayed and apply compensating access controls.
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.
Execution 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-2022-22038 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
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/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.
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:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C2.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Remote Procedure Call Runtime Remote Code Execution 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.