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Vulnerability record · CVE-2026-12193 · published 15 June 2026

CVE-2026-12193: Memory buffer overflow vulnerability

A vulnerability was identified in VS Revo RevoUninstaller 2.5.x/2.6.x. The affected element is the function IOCtl_Handler in the library RevoDetector.sys of the component IOCTL Handler. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. Upgrading to version 2.7.0 is sufficient to fix this issue. It is recommended to upgrade the affected component.

7.1 CVSS 4.0 High EPSS 0.14% · top 97.1% CWE-119 · Memory buffer overflowCWE-122 · Heap-based buffer overflow Deferred
7.1CVSS 4.0 base score, v2 6.8
0.14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
10References
24 Jul 2026Last modified by NVD

Description

A vulnerability was identified in VS Revo RevoUninstaller 2.5.x/2.6.x. The affected element is the function IOCtl_Handler in the library RevoDetector.sys of the component IOCTL Handler. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. Upgrading to version 2.7.0 is sufficient to fix this issue. It is recommended to upgrade the affected component.

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/Kalagious/RevoDetectorExploit/tree/master
https://jordanhiggins.blog/revouninstaller-pool-overflow-exploit/
https://vandalsuidaho-my.sharepoint.com/:w:/g/personal/higg2059_vandals_uidaho_edu/IQAMHgdfpRAkSqDsoFVswIYNAXjPVFz-admcJ
https://vuldb.com/cve/CVE-2026-12193
https://vuldb.com/submit/829132
https://vuldb.com/submit/829133
https://vuldb.com/vuln/370839
https://vuldb.com/vuln/370839/cti
https://www.revouninstaller.com/start-freeware-download/
https://youtu.be/JR0KPjWRTns?si=Ff2bUDvv3butJyfP

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Source: NIST National Vulnerability Database (record CVE-2026-12193), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.