CVE-2022-44875 — KioWare through 8

KioWare through 8.33 on Windows sets KioScriptingUrlACL.AclActions.AllowHigh for the about:blank origin, which allows attackers to obtain SYSTEM access via KioUtils.Execute in JavaScript code.

01What is this vulnerability?

KioWare through 8.33 on Windows sets KioScriptingUrlACL.AclActions.AllowHigh for the about:blank origin, which allows attackers to obtain SYSTEM access via KioUtils.Execute in JavaScript code.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-03-06T00:00:00.000Z
• Last modified: 2025-03-06T20:41:24.047Z

09References

• www.kioware.com — https://www.kioware.com/versionhistory.aspx?pid=15
• github.com — https://github.com/olnor18/writeup/tree/master/CVE/CVE-2022-44875