Integer overflow in Microsoft Windows Server 2012
CVE-2026-47288
Integer overflow or wraparound in Windows Kerberos allows an authorized attacker to execute code over an adjacent network.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (36.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.004 · change: -0.001
Affected products
- Microsoft Windows Server 2012 — versions 6.2.9200.0
- Microsoft Windows Server 2012 — versions r2
- Microsoft Windows Server 2012 R2 — versions 6.3.9600.0
- Microsoft Windows Server 2012 R2 (Server Core Installation) — versions 6.3.9600.0
- Microsoft Windows Server 2012 (Server Core Installation) — versions 6.2.9200.0
- Microsoft Windows Server 2016 — versions 10.0.14393.0
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core Installation) — versions 10.0.14393.0
- Microsoft Windows Server 2019 — versions 10.0.17763.0
- Microsoft Windows Server 2019
Weakness classification (CWE)
References
- Windows Kerberos Key Distribution Center (KDC) Remote Code Execution (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-47288?
- CVE-2026-47288 is a high-severity vulnerability in Microsoft Windows Server 2012, classified under Integer Overflow or Wraparound. CVSS score: 7.1/10. Published 2026-06-09.
- How severe is CVE-2026-47288?
- High severity. CVSS v3 base score is 7.1 out of 10.