CVE-2026-110633
CVE-2026-110633
MyReport Updater through 2.1.1 contains a local privilege escalation vulnerability that allows low-privileged users to make the SYSTEM updater service install attacker-supplied archives into arbitrary directories. Attackers can use UpdaterManager.exe over gRPC to set a malicious reference server and installLocation, planting a DLL like HID.dll loaded by osk.exe to gain SYSTEM privileges.
Vulnerability class: Privilege Escalation
Published .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Weakness classification (CWE)
References
- blog.quarkslab.com/myreport-updater-from-grpc-to-system.html (technical-description, exploit, third-party-advisory)
- www.myreport.fr/myreport/ (product)
- www.vulncheck.com/advisories/myreport-updater-through-2.1.1-local-privilege-esc… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-110633?
- CVE-2026-110633 is a high-severity vulnerability, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2026-10-14.
- How severe is CVE-2026-110633?
- High severity. CVSS v3 base score is 7.8 out of 10.