CVE-2022-45455

Local privilege escalation via incomplete uninstall cleanup

Published Feb 13, 2023 · Updated Mar 21, 2025

Privilege escalation in affected Windows builds of Acronis Cyber Protect and Agent products allows local users to gain elevated privileges. The vendor identifies incomplete cleanup during uninstallation but does not disclose which files, services, permissions, or other resources remain or how they are abused. Exploitation requires a local low-privileged user and user interaction; successful exploitation raises privileges within Windows.

CVSS severity7.8
High
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Privilege escalation in affected Windows builds of Acronis Cyber Protect and Agent products allows local users to gain elevated privileges. The vendor identifies incomplete cleanup during uninstallation but does not disclose which files, services, permissions, or other resources remain or how they are abused. Exploitation requires a local low-privileged user and user interaction; successful exploitation raises privileges within Windows.

The record

CVE
CVE-2022-45455
Published
Feb 13, 2023
Updated
Mar 21, 2025
Vendor
Acronis
Product
Acronis Cyber Protect Home Office
Classifications
CWE-459, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 13, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <40107

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Acronis · Acronis Cyber Protect Home Officeversion=unspecified <40107
Acronis · Acronis Cyber Protect 15version=unspecified <30984
Acronis · Acronis Agentversion=unspecified <30025

Published CVSS scores

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.6Acronis International GmbHCVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-459Incomplete Cleanup
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo