CVE-2026-47288

HIGHCVSS 7.1/10EPSS 0.50%

Last modified

CVE-2026-47288 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. Integer overflow or wraparound in Windows Kerberos allows an authorized attacker to execute code over an adjacent network.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
7.1/10

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.50%

38.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows Server 2012All versions
MicrosoftWindows Server 2012r2
MicrosoftWindows Server 2016< 10.0.14393.9234
MicrosoftWindows Server 2019< 10.0.17763.8880
MicrosoftWindows Server 2022< 10.0.20348.5256
MicrosoftWindows Server 2025< 10.0.26100.32995

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-47288?
Integer overflow or wraparound in Windows Kerberos allows an authorized attacker to execute code over an adjacent network.
How severe is CVE-2026-47288?
CVE-2026-47288 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2026-47288?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-47288?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST