Security readout for executives and security teams
Plain-English summary
CVE-2022-22709 is a Microsoft VP9 Video Extensions remote code execution vulnerability. A user must interact with content, so the business risk is mainly endpoint compromise through opened or previewed media. Microsoft rates it high severity, and the affected version listed here is 1.0.0.0.
Executive priority
Treat as a high-priority endpoint remediation item, especially for users who receive or open external media. It is not documented here as actively exploited, but successful exploitation could allow full compromise of the affected user workstation.
Technical view
The CVE describes an RCE flaw in Microsoft VP9 Video Extensions tied to CWE-787, out-of-bounds write. CVSS 3.1 is 7.8 with local attack vector, low complexity, no privileges, required user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to systems with Microsoft VP9 Video Extensions version 1.0.0.0 installed. The supplied sources do not identify broader Windows components, downstream products, or server-side exposure.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates exploitation requires user interaction and local content handling, not unauthenticated network reachability.
Researcher notes
Evidence is sparse beyond CVE metadata and MSRC advisory details. Do not assume exploit availability, affected versions beyond 1.0.0.0, or specific delivery methods without additional vendor-confirmed data.
Mitigation direction
- Review Microsoft MSRC guidance for CVE-2022-22709.
- Update or remediate Microsoft VP9 Video Extensions per vendor guidance.
- Prioritize endpoints that handle untrusted media files.
- Restrict risky media handling until affected systems are updated.
Validation and detection
- Inventory endpoints for Microsoft VP9 Video Extensions.
- Check whether version 1.0.0.0 is present.
- Confirm Microsoft remediation has been applied.
- Validate the affected version no longer appears in endpoint inventory.
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-2022-22709 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.