Windows Server 2025 ↗
Summary iPlain-English security verdict for Windows Server 2025, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
Windows Server 2025 currently scores 0/100 — critical, with active exploitation. 15 of its known vulnerabilities are being actively exploited in the wild (CISA KEV), including CVE-2026-32202. The latest supported release is 10.0.26100. Upgrade immediately and review your exposure to the actively-exploited CVEs below. Note: this product is assessed at the product level on recent (365-day) activity rather than an exact per-version match, so it is never marked a confident "healthy".
Disclosure trend iNew CVEs published for Windows Server 2025 each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.
3 of its known vulnerabilities are linked to ransomware campaigns (CISA KEV).
Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.
Most urgent first — actively exploited, then likeliest to be exploited.
CVE-2026-32202 MEDIUM exploited CWE-693 EPSS 71% → fixed in 10.0.26100.32690 CVE-2013-3900 MEDIUM exploited CWE-347 EPSS 45% → see advisory CVE-2025-26633 HIGH exploited ransomware CWE-707 EPSS 30% → fixed in 10.0.26100.3403 CVE-2024-49039 HIGH exploited ransomware Improper authentication EPSS 14% → fixed in 10.0.26100.2314 CVE-2026-20805 MEDIUM exploited Information disclosure EPSS 5% → fixed in 10.0.26100.7623 CVE-2025-60710 HIGH exploited ransomware CWE-59 EPSS 5% → fixed in 10.0.26100.7392 CVE-2025-62221 HIGH exploited Use-after-free EPSS 3% → fixed in 10.0.26100.7392 CVE-2025-21391 HIGH exploited CWE-59 EPSS 2% → fixed in 10.0.26100.3107 CVE-2025-24993 HIGH exploited CWE-122 EPSS 2% → fixed in 10.0.26100.3403 CVE-2026-33824 CRITICAL exploited Double free EPSS 2% → fixed in 10.0.26100.32690 CVE-2026-96951 HIGH exploited Command injection EPSS 2% → fixed in 10.0.26100.33650 CVE-2025-21335 HIGH exploited Use-after-free EPSS 1% → fixed in 10.0.26100.2894See all 2208 known Windows Server 2025 CVEs & security history →
Get alerted about Windows Server 2025
Be emailed the moment Windows Server 2025 gets a newly exploited vulnerability (CISA KEV) or a release reaches end of life. Free · double opt-in · unsubscribe anytime.
We email only on real events for Windows Server 2025 — no marketing, no sharing, and we never know what you run. Track your whole stack →
Versions & lifecycle iWhen each release line stops receiving security patches (end-of-life). After EOL there are no more fixes — plan upgrades before these dates.
How long each Windows Server 2025 release line is supported — and when it sunsets.
Full Windows Server 2025 end-of-life dates & support timeline →
Frequently asked
Is Windows Server 2025 safe and patched?
Windows Server 2025 currently scores 0/100 — critical, with active exploitation. 15 of its known vulnerabilities are being actively exploited in the wild (CISA KEV), including CVE-2026-32202. The latest supported release is 10.0.26100. Upgrade immediately and review your exposure to the actively-exploited CVEs below. Note: this product is assessed at the product level on recent (365-day) activity rather than an exact per-version match, so it is never marked a confident "healthy".
What should I do about Windows Server 2025 now?
Upgrade Windows Server 2025 to the latest supported release (10.0.26100) or later, which clears the actively-exploited issues affecting older versions, then confirm against Microsoft's official advisory.
When does Windows Server 2025 reach end-of-life?
The latest supported Windows Server 2025 release is 10.0.26100. After end-of-life a release no longer receives security patches.
Which versions of Windows Server 2025 are still receiving security updates?
Supported Windows Server 2025 release lines (latest 10.0.26100): 2025, 2022, 2019, 2016. End-of-life releases no longer receive security patches.
product-level posture (last 365d); exact per-version verdict pending precise version mapping
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Microsoft's official advisory before you patch or upgrade — Windows Server 2025 official site ↗