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CVE-2026-12193 VS Revo CVE debrief

A high-severity vulnerability, CVE-2026-12193, was identified in VS Revo RevoUninstaller 2.5.x/2.6.x. The vulnerability is caused by a heap-based buffer overflow in the IOCtl_Handler function within the RevoDetector.sys library. This issue can be exploited locally, and a public exploit is available. To mitigate this vulnerability, users are advised to upgrade to version 2.7.0.

Vendor
VS Revo
Product
RevoUninstaller
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of VS Revo RevoUninstaller 2.5.x/2.6.x should be aware of this vulnerability and take steps to upgrade to a fixed version.

Technical summary

The vulnerability is caused by a heap-based buffer overflow in the IOCtl_Handler function within the RevoDetector.sys library of VS Revo RevoUninstaller 2.5.x/2.6.x. This issue has a CVSS score of 7.1 and is classified as HIGH severity.

Defensive priority

High

Recommended defensive actions

  • Upgrade to version 2.7.0 of VS Revo RevoUninstaller to fix this issue.

Evidence notes

The CVE record and NVD detail can be found at [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-12193) and [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-12193), respectively.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-12193 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-12193

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-12193 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12193

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.