Deserialization in Microsoft Windows
CVE-2022-26503
Deserialization of untrusted data in Veeam Agent for Windows 2.0, 2.1, 2.2, 3.0.2, 4.x, and 5.x allows local users to run arbitrary code with local system privileges.
Vulnerability class: Insecure Deserialization
EPSS: 0.007 (48.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows
- Veeam — versions 2.0, 2.1, 2.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-26503?
- CVE-2022-26503 is a high-severity vulnerability in Microsoft Windows, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2022-03-17.
- How severe is CVE-2022-26503?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-26503 known to be exploited?
- 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.