Acronis Cyber Protect Cloud Agent: Mehrere Schwachstellen ermöglichen Privilegieneskalation
WID-SEC-2026-1322 · first 30.04.2026 · updated 30.04.2026 · CVSS 9,9
What it is about
Acronis Cyber Protect ist eine umfassende Cybersecurity- und Datenschutzlösung, die Funktionen wie Virenschutz, Backup und Wiederherstellung, Schutz vor Ransomware und sicheres Online-Browsing in einem einzigen Paket bietet. Ein lokaler oder entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Acronis Cyber Protect Cloud Agent ausnutzen, um seine Privilegien zu erhöhen.
Under what conditions?
Over the network, but only with valid access (login required), for example with stolen credentials or as an insider.
What can happen in the worst case
An attacker could use the vulnerability to
- seine Privilegien zu erhöhen
Am I affected?
Affected according to the BSI:
- Acronis Cyber Protect Cloud Agent <26.03
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Acronis Cyber Protect Cloud Agent 26.03
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- Acronis Security Advisory SEC-10296 vom 2026-04-29 security-advisory.acronis.com
- Acronis Security Advisory SEC-10773 vom 2026-04-29 security-advisory.acronis.com
- Acronis Security Advisory SEC-7790 vom 2026-04-29 security-advisory.acronis.com
CVE: CVE-2026-41220, CVE-2026-41952, CVE-2026-33090
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.