High severity · published Oct 7, 2026
CVE-2026-106164
Infinite Loop in Telerik Document Processing XLS Import
7.3
CVSS
0.2%
EPSS
No
On KEV
Description
In Progress® Telerik® Document Processing SpreadProcessing library, versions prior to 2026.3.1006, an infinite loop vulnerability exists when importing an XLS file with a specifically-targted corruption, the import timeout is ignored resulting in an unresponsive CPU thread and denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TD
Telerik Document Processing Libraries · Progress Software
2026.3.811 before 2026.3.1006 · source: vendor
Affected product
TD
Telerik Document Processing Libraries
Progress Software
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-106164
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-106164
vendor-advisory
https://www.telerik.com/document-processing-libraries/documentation/knowledge-base/kb-security-import-infinite-loop-cve-2026-106164
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