Security readout for executives and security teams
Plain-English summary
This is a legacy Windows client-side issue in RealNetworks RealArcade/Arcade Games. A vulnerable ActiveX component can let a malicious web page run commands on a user’s machine if the user is exposed through a browser capable of loading it. Treat it as high risk where old RealArcade software remains installed.
Executive priority
Prioritize this for legacy endpoint cleanup rather than broad emergency response. The impact is severe on affected machines, but exposure appears narrow and tied to obsolete ActiveX technology. Address any confirmed installs quickly, especially on privileged workstations or systems with internet browsing access.
Technical view
InstallerDlg.dll version 2.6.0.445 exposes StubbyUtil.ProcessMgr.Exec without adequate validation, enabling arbitrary command execution through ActiveX. The CVSS v4 vector is network, low complexity, no privileges, user interaction required, with high confidentiality, integrity, and availability impact on the vulnerable host.
Likely exposure
Exposure is most likely on legacy Windows endpoints with old RealArcade, Arcade Games, or related GameHouse-era components installed and ActiveX-capable browsing paths still usable. Modern environments without this ActiveX control are unlikely to be affected based on the supplied sources.
Exploitation context
The bundle cites public exploit references, including Exploit-DB entries and a Metasploit module. KEV is false, and the provided sources do not establish active exploitation in the wild. Exploitation requires user interaction with attacker-controlled web content or a similar browser-hosted path.
Researcher notes
The core evidence is consistent: an exposed Exec method in a RealArcade ActiveX control permits command execution. The affected version is specific in the bundle, but vendor patch status and supported remediation are not provided. Do not infer current GameHouse products are affected from consolidation history alone.
Mitigation direction
- Inventory endpoints for RealArcade, Arcade Games, GameHouse legacy components, and InstallerDlg.dll.
- Remove the legacy ActiveX component where it is not business-required.
- Disable ActiveX execution in browser configurations and legacy compatibility modes.
- Check RealNetworks/GameHouse and cited advisories for any vendor-supported remediation.
- Prioritize EDR controls that block browser-spawned command execution.
Validation and detection
- Search Windows software inventory for RealArcade, Arcade Games, and GameHouse legacy installs.
- Check for InstallerDlg.dll version 2.6.0.445 on managed endpoints.
- Review COM/ActiveX registrations for StubbyUtil.ProcessMgr.
- Confirm browser policy prevents loading untrusted ActiveX controls.
- Review endpoint telemetry for browser processes launching command interpreters or installers.
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-623: 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-2011-10028 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
- 8.7 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
8.7HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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
- https://www.exploit-db.com/exploits/17105CVE reference, VulnCheck · exploit
- https://www.exploit-db.com/exploits/17149CVE reference, VulnCheck · exploit
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/browser/real_arcade_installerdlg.rbCVE reference, VulnCheck · exploit
- https://advisories.checkpoint.com/defense/advisories/public/2011/cpai-2011-347.htmlCVE reference, VulnCheck · third-party-advisory
- https://www.gamehouse.com/CVE reference, VulnCheck · product
- https://archive.org/details/com.real.arcadeCVE reference, VulnCheck · product
- https://www.vulncheck.com/advisories/real-networks-arcade-games-activex-arbitrary-code-executionCVE reference, VulnCheck · third-party-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.
Unsafe ActiveX Control Marked Safe For Scripting
Unsafe ActiveX Control Marked Safe For Scripting represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.