CVE-2026-97381
- Source
- https://cve.org/CVERecord?id=CVE-2026-97381
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-97381.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-97381
- Aliases
-
- GHSA-f4g7-4gmx-jfgf
- Published
- 2026-10-13T21:08:05Z
- Modified
- 2026-10-28T11:01:04Z
- Severity
-
- 9.9 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
- Summary
- Legacy Update ActiveX control accepts unauthorized hosting origins
- Details
-
Legacy Update is a tool for activating and installing updates on legacy Windows PCs. Legacy Update 1.12.0 through 1.13.1 contains an origin validation error in the IsPermitted method of its ActiveX control. After successfully reading the hosting document's hostname, a hostname that is not on the permitted list falls through without setting E_ACCESSDENIED, causing IsPermitted to return S_OK. An attacker who induces a user to visit a malicious webpage in Internet Explorer can invoke the control to enumerate update and system information, install updates without consent, display dialogs, or restart the computer when a reboot is pending. This issue was fixed in Legacy Update 1.13.2.
- Database specific
{ "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-346", "CWE-393" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97381.json" }- References
-
- https://github.com/LegacyUpdate/LegacyUpdate/releases/tag/v1.13.2.0
- https://legacyupdate.net/news/2026/07/21/legacy-update-1-13-2
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97381.json
- https://github.com/LegacyUpdate/LegacyUpdate/security/advisories/GHSA-f4g7-4gmx-jfgf
- https://nvd.nist.gov/vuln/detail/CVE-2026-97381
- https://github.com/LegacyUpdate/LegacyUpdate/commit/7d62f0bfaa770d74cd6e2cb0bac9c1907df48033
- https://github.com/LegacyUpdate/LegacyUpdate/commit/ae1c46c97f39a55a1937784d9f9beb30aa9147fd
Affected packages
Git / github.com/legacyupdate/legacyupdate
Affected ranges
- Type
- GIT
- Repo
- https://github.com/legacyupdate/legacyupdate
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "1.12.0" }, { "fixed": "1.13.2" } ], "source": "AFFECTED_FIELD", "strategy": "StringRangeExpression" }, { "range": [ { "fixed": "7d62f0bfaa770d74cd6e2cb0bac9c1907df48033" } ], "source": "REFERENCES_COMMIT" }, { "range": [ { "fixed": "ae1c46c97f39a55a1937784d9f9beb30aa9147fd" } ], "source": "REFERENCES_COMMIT" }, { "original_tag": "v1.13.2.0", "range": [ { "fixed": "e699d641a0b9f36968a2eac1cd1412dc66ce29d9" } ], "source": "REFERENCES_TAG" } ] }
Database specific
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-97381.json"
vanir_signatures
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