Cortex Xdr 9.1 · Version Status
Cortex Xdr 9.1 End of Life Date
Cortex Xdr 9.1 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Cortex Xdr 9.1 is actively supported. EOL date: November 22, 2026.
EOL Date
Nov 22, 2026
197 days remaining
Latest Release
9.1.0
Standard release
Release Date
Jan 25, 2026
Cortex Xdr 9.1 series
| Version | Latest | EOL Date | Status |
|---|
| 3.1 |
3.1 |
Sep 3, 2015 |
EOL |
| 3.2 |
3.2 |
Mar 31, 2016 |
EOL |
| 3.3 |
3.3 |
Feb 28, 2017 |
EOL |
| 3.4 |
3.4 |
Aug 21, 2019 |
EOL |
| 4.0 |
4.0 |
Apr 5, 2018 |
EOL |
| 4.1 |
4.1 |
Sep 15, 2019 |
EOL |
| 5.0 |
5.0.12 |
Jun 1, 2024 |
EOL |
| 4.2 |
4.2 |
Mar 1, 2022 |
EOL |
What does Cortex Xdr 9.1 end of life mean?
When Cortex Xdr 9.1 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Cortex Xdr 9.1 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Cortex Xdr 9.1 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Cortex Xdr 9.1 reach end of life?
Cortex Xdr 9.1 reached end of life on November 22, 2026. That is 197 days remaining.
Is Cortex Xdr 9.1 still supported?
Yes, Cortex Xdr 9.1 is currently supported. The EOL date is November 22, 2026.
What should I upgrade to from Cortex Xdr 9.1?
The recommended upgrade from Cortex Xdr 9.1 is
Cortex Xdr 9.1 — the latest actively supported version. Check the
Cortex Xdr full timeline for all supported versions.
What are the security risks of running Cortex Xdr 9.1 past EOL?
When Cortex Xdr 9.1 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Cortex Xdr should migrate immediately or implement compensating controls.