CVE-2026-87099
Cross-site scripting (XSS) vulnerability due to improper input validation. The following products...
Cross-site scripting (XSS) vulnerability due to improper input validation. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 42587.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Cross-site scripting (XSS) vulnerability due to improper input validation. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 42587.
- Record
CVE-2026-87099- CVSS 3.0
- 5.7 Medium
CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-79
- Updated
- 2026-11-06
EUVDEUVD-2026-111985
Cross-site scripting (XSS) vulnerability due to improper input validation. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 42587.
- Record
EUVD-2026-111985- CVSS 3.0
- 5.7 Medium
CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N - Updated
- 2026-11-06
GitHub AdvisoriesGHSA-m2j6-gmm3-8683
Cross-site scripting (XSS) vulnerability due to improper input validation. The following products...
Cross-site scripting (XSS) vulnerability due to improper input validation. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 42587.
- Record
GHSA-m2j6-gmm3-8683- CVSS 3.0
- 5.7 Medium
CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Cross-site scripting (XSS) vulnerability due to improper input validation. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 42587.
- Record
CVE-2026-87099- CVSS 3.0
- 5.7 Medium
CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-79
- Updated
- 2026-11-06
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | CVE List | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-87099 is a medium vulnerability (CVSS 5.7) in Acronis Cyber Protect 17, published October 28, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. No source names a fixed version.