Windows apps · Application version · September 30, 2026
Python 3.14 3.14.8
Python 3.14 3.14.8, released September 30, 2026, fixes 5 CVEs in Python 3.14. None of them is reported as exploited. Patch Radar priority: Urgent. The latest Python 3.14 is 3.14.10, which also fixes every one of these CVEs.
Urgent
Superseded. The latest Python 3.14 is 3.14.10, which also fixes every CVE on this page. Install that instead.
CVEs closed
5
1 rated Critical
Exploited
0
None reported
Highest CVSS
9.2
Base score, 0 to 10
Highest EPSS
0.0073
54th percentile
Priority of the 5 CVEs
Patch now 0
Urgent 1
High 1
Routine 3
Applies to
| Product | Version |
|---|---|
| Python 3.14 | 3.14.8 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-19445 | Use-after-free of a server-side SSLContext when sni_callback switches contexts | 9.2 | 0.0052 | None reported |
| High | CVE-2026-19553 | SSLContext.wrap_bio() missing validation of server_hostname parameter | 8.1 | 0.0055 | None reported |
| Routine | CVE-2026-17084 | stringprep.map_table_b2() deviates from RFC 3454 Table B.2 | 6.0 | 0.0073 | None reported |
| Routine | CVE-2026-15806 | `HTTPPasswordMgr` can send saved HTTPS credentials via HTTP because of incorrect scheme matching | 6.0 | 0.0053 | None reported |
| Routine | CVE-2026-15310 | zipfile: bzip2/LZMA/Zstandard members decompress without a max_length bound, defeating chunked-read memory limits | 2.1 | 0.0053 | None reported |
Showing 1 to 5 of 5
1
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.