Vulnerability · Published Oct 14, 2026 · Assigned by VulnCheck

CVE-2026-110633MyReport Updater through 2.1.1 Local Privilege Escalation via Updater Service

High 7.8

In plain English

A high-severity privilege mismanagement in MyReport Updater from Report One. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High

Exploit odds (30 days)0.1%top 96.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Report One	MyReport Updater	0 – through 2.1.1

Weakness: CWE-269 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

https://blog.quarkslab.com/myreport-updater-from-grpc-to-system.html third-party-advisory, technical-description, exploit
https://www.myreport.fr/myreport/ product
VulnCheck Advisory: MyReport Updater through 2.1.1 Local Privilege Escalation via Updater Service third-party-advisory