CVE-2026-12193Public exploit

Local privilege escalation via unchecked process-name copy

Published Jun 14, 2026 · Updated Jun 14, 2026

Heap-based buffer overflow in RevoDetector.sys in Revo Uninstaller 2.5.x and 2.6.x allows local users to gain SYSTEM privileges. IOCtl_Handler copies the next spawned process name into an attacker-sized nonpaged-pool IRP system buffer without checking that the destination is large enough. The Revo Uninstaller Helper must be enabled so the driver is loaded; successful exploitation steals a SYSTEM token, while an unsuccessful attempt can crash Windows.

CVSS severity7.8
High
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Heap-based buffer overflow in RevoDetector.sys in Revo Uninstaller 2.5.x and 2.6.x allows local users to gain SYSTEM privileges. IOCtl_Handler copies the next spawned process name into an attacker-sized nonpaged-pool IRP system buffer without checking that the destination is large enough. The Revo Uninstaller Helper must be enabled so the driver is loaded; successful exploitation steals a SYSTEM token, while an unsuccessful attempt can crash Windows.

The record

CVE
CVE-2026-12193
Published
Jun 14, 2026
Updated
Jun 14, 2026
Vendor
VS Revo Group Ltd.
Product
Revo Uninstaller
Classifications
CWE-122, CWE-119, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.5.*
  2. Affected versionversion=2.6.*

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

VS Revo Group Ltd. · Revo Uninstallerversion=2.5.*; version=2.6.*

Published CVSS scores

6.8VulDBAV:L/AC:L/Au:S/C:C/I:C/A:C
7.1VulDBCVSS: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
7.8VulDBCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-122Heap-based Buffer Overflow
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
T1068Exploitation for Privilege Escalation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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