Microsoft Configuration Manager 2603 · Version Status
Microsoft Configuration Manager 2603 End of Life Date
Microsoft Configuration Manager 2603 end-of-life date, support status, and CVE risk. Data reconciled from official vendor documentation and endoflife.date at every build; the source of each date is on the product page.
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Microsoft Configuration Manager 2603 is actively supported. EOL date: November 5, 2027.
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EOL Date
Nov 5, 2027
392 days remaining
Latest Release
2603
Standard release
Release Date
May 5, 2026
Microsoft Configuration Manager 2603 series
Lifecycle detail
Microsoft Configuration Manager 2603 was released on May 5, 2026 and support is scheduled to end on November 5, 2027 — a planned supported lifespan of 1 year and 6 months, in line with the 1 year and 6 months median for Microsoft Configuration Manager releases.
Attack Surface
10/30 Medium tier
CISA KEV Exposure
0/20 Not in KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build.
Methodology → ·
View score card →
All Microsoft Configuration Manager Versions
| Version | Latest | EOL Date | Status |
|---|
| 2303 |
2303 |
Oct 10, 2024 |
EOL |
| 2309 |
2309 |
Apr 9, 2025 |
EOL |
| 2403 |
2403 |
Oct 22, 2025 |
EOL |
| 2409 |
2409 |
Jun 6, 2026 |
EOL |
| 2503 |
2503 |
Sep 30, 2026 |
EOL |
| 2509 |
2509 |
May 12, 2027 |
Active |
| → 2603 |
2603 |
Nov 5, 2027 |
Active |
| 2609 |
2609 |
Mar 28, 2028 |
Active |
What does Microsoft Configuration Manager 2603 end of life mean?
When Microsoft Configuration Manager 2603 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: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running Microsoft Configuration Manager 2603 past its EOL date creates a growing attack surface that a clean scan result does not rule out.
Migrate to Microsoft Configuration Manager 2609 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Microsoft Configuration Manager 2603 reach end of life?
Microsoft Configuration Manager 2603 reached end of life on November 5, 2027. That is 392 days remaining.
Is Microsoft Configuration Manager 2603 still supported?
Yes, Microsoft Configuration Manager 2603 is currently supported. The EOL date is November 5, 2027.
What should I upgrade to from Microsoft Configuration Manager 2603?
The recommended upgrade from Microsoft Configuration Manager 2603 is
Microsoft Configuration Manager 2609 — the latest actively supported version. Check the
Microsoft Configuration Manager full timeline for all supported versions.
What are the security risks of running Microsoft Configuration Manager 2603 past EOL?
When Microsoft Configuration Manager 2603 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no vendor fix. A CVE-based scan does not show this — it is the CVE blind spot; some scanners flag unsupported versions of common products, but coverage varies and none give the date in advance. Organizations running EOL Microsoft Configuration Manager should migrate immediately or implement compensating controls.