Security readout for executives and security teams
Plain-English summary
This vulnerability affects Microsoft VP9 Video Extensions and could let an attacker run code if a user interacts with malicious local content. It is not described as remotely exploitable without user action. Business urgency is high for managed Windows endpoints where the affected extension is installed.
Executive priority
Treat this as a high-priority endpoint remediation item, not an emergency internet-edge incident, unless Microsoft or KEV later reports exploitation.
Technical view
CVE-2022-24451 is a Microsoft VP9 Video Extensions remote code execution issue associated with CWE-787 out-of-bounds write. CVSS 3.1 is 7.8 with local attack vector, low complexity, no privileges required, user interaction required, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to systems with Microsoft VP9 Video Extensions version 1.0.0.0 installed. The source bundle does not identify other affected versions or products.
Exploitation context
The source bundle does not support active exploitation. KEV is false, and the CVSS exploit maturity value is unproven. The rating still matters because successful exploitation could run attacker-controlled code after user interaction.
Researcher notes
The provided data is sparse: it identifies product, version, CWE, CVSS, and Microsoft advisory, but not root-cause detail, attack content format, or patch mechanics. Avoid expanding affected scope beyond Microsoft VP9 Video Extensions 1.0.0.0.
Mitigation direction
- Review Microsoft MSRC guidance for the official update or remediation path.
- Inventory endpoints for VP9 Video Extensions version 1.0.0.0.
- Prioritize remediation on user workstations handling untrusted media content.
- Remove the extension where it is not operationally required.
- Monitor Microsoft guidance for any revised affected-version or exploit information.
Validation and detection
- Confirm whether VP9 Video Extensions is installed on managed endpoints.
- Check installed extension version against Microsoft’s affected version information.
- Verify remediation status using endpoint management or software inventory records.
- Document exceptions where the extension remains installed and why.
- Track MSRC advisory changes for updated scope or remediation details.
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-787: 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 lookupExecution 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-2022-24451 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
- VP9 Video Extensions Remote Code Execution VulnerabilityCVE reference, microsoft · 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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.