Windows Kerberos Key Distribution Center (KDC) Remote Code Execution (Microsoft Windows Server 2012)

CVE-2026-47288

HIGH 7.1

At a glance

Source: NVD
EPSS: EPSS 0.50 % · percentile 43 (2026-11-01)
State: PUBLISHED
Published: 2026-06-09 17:04 UTC
Updated: 2026-09-24 13:43 UTC
Assigner: microsoft
NVD status: Analyzed

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Description

Integer overflow or wraparound in Windows Kerberos allows an authorized attacker to execute code over an adjacent network.

Weaknesses (CWE)

CWE-190 — Integer Overflow or Wraparound

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47288

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.1	CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft
CVSS 3.1	HIGH 7.1	CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · secure@microsoft.com (Secondary)

European references

ENISA EUVD · EUVD-2026-35699
GCVE · GCVE-0-2026-47288

CERT-FR advisories

CERTFR-2026-AVI-0728 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* < 10.0.14393.9234
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* < 10.0.17763.8880
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* < 10.0.20348.5256
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* < 10.0.26100.32995

Affected products

Product	Versions
Microsoft · Windows Server 2012	affected 6.2.9200.0 < 6.2.9200.26132
Microsoft · Windows Server 2012 (Server Core installation)	affected 6.2.9200.0 < 6.2.9200.26132
Microsoft · Windows Server 2012 R2	affected 6.3.9600.0 < 6.3.9600.23228
Microsoft · Windows Server 2012 R2 (Server Core installation)	affected 6.3.9600.0 < 6.3.9600.23228
Microsoft · Windows Server 2016	affected 10.0.14393.0 < 10.0.14393.9234
Microsoft · Windows Server 2016 (Server Core installation)	affected 10.0.14393.0 < 10.0.14393.9234
Microsoft · Windows Server 2019	affected 10.0.17763.0 < 10.0.17763.8880
Microsoft · Windows Server 2019 (Server Core installation)	affected 10.0.17763.0 < 10.0.17763.8880
Microsoft · Windows Server 2022	affected 10.0.20348.0 < 10.0.20348.5256
Microsoft · Windows Server 2025	affected 10.0.26100.0 < 10.0.26100.32995
Microsoft · Windows Server 2025 (Server Core installation)	affected 10.0.26100.0 < 10.0.26100.32995

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD