5.7
MediumCVSS 3.0 · from Acronis
CVE-2026-87099
Cross-site scripting (XSS) vulnerability due to improper input validation.
Acronis Cyber Protect 17 · Cross-site scripting · CWE-79AffectedAcronis Cyber Protect 17
FixUpdate to 42587 or newer
PublishedOct 28, 10:10 · Acronis
ScoredOct 28 · 5.7 · Acronis
Exploit code publicNone known · checked 21:18 UTC
ExploitedNone known · CISA KEV checked 22:06 UTC
What we know
No known exploitation. CISA KEV, checked 22:06 UTC.
No public exploit code known. Exploit-DB, Metasploit, Nuclei, checked 21:18 UTC.
An attacker needs network access and an account. CVSS: network, high privileges.
It only works under certain conditions, which makes it harder to pull off. CVSS: high attack complexity.
Someone has to open, click or run something first. CVSS: user interaction required.
A successful attack can read data and change data. CVSS impact.
Description
Cross-site scripting (XSS) vulnerability due to improper input validation. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 42587.
From Acronis
Affected and fixed versions
ProductAffectedFixed inAcronis Cyber Protect 17unspecified – before 4258742587
Exploit code
Exploit-DBnone knownMetasploitnone knownNucleinone known