TOCTOU race condition vulnerability in ESET products on Windows
Published Jul 18, 2025
5.1
MEDIUMCVSS 4.0
EPSS 0.10%
Description
Time-of-check to time-of-use race condition vulnerability potentially allowed an attacker to use the installed ESET security software to clear the content of an arbitrary file on the file system.
Affected products
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- Version 0StatusaffectedConstraints<=11.1.2059.0
- Version 0StatusaffectedConstraints<=12.0.2049.0
- Version
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- Version 0StatusaffectedConstraints<=11.1.2059.0
- Version 0StatusaffectedConstraints<=12.0.2049.0
- Version
-
- Version 0StatusaffectedConstraints<=18.1.13.0
- Version
- Vendor ESET, spol. s.r.o Product ESET Mail Security for Microsoft Exchange Server Defaultunaffected
- Version 0StatusaffectedConstraints<=11.1.10011.0
- Version 0StatusaffectedConstraints<=12.0.10003.0
- Version
-
- Version 0StatusaffectedConstraints<=18.1.13.0
- Version
-
- Version 0StatusaffectedConstraints<=18.1.13.0
- Version
-
- Version 0StatusaffectedConstraints<=18.1.13.0
- Version
-
- Version 0StatusaffectedConstraints<=11.1.15003.0
- Version 0StatusaffectedConstraints<=12.0.15004.0
- Version
-
- Version 0StatusaffectedConstraints<=11.1.12009.1
- Version 0StatusaffectedConstraints<=12.0.12004.0
- Version
-
- Version 0StatusaffectedConstraints<=18.1.13.0
- Version
-
- Version 0StatusaffectedConstraints<=18.1.13.0
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ESET, spol. s.r.o | ESET Endpoint Antivirus for Windows | unaffected |
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| ESET, spol. s.r.o | ESET Endpoint Security for Windows | unaffected |
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| ESET, spol. s.r.o | ESET Internet Security | unaffected |
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| ESET, spol. s.r.o | ESET Mail Security for Microsoft Exchange Server | unaffected |
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| ESET, spol. s.r.o | ESET NOD32 Antivirus | unaffected |
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| ESET, spol. s.r.o | ESET Safe Server | unaffected |
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| ESET, spol. s.r.o | ESET Security Ultimate | unaffected |
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| ESET, spol. s.r.o | ESET Security for Microsoft SharePoint Server | unaffected |
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| ESET, spol. s.r.o | ESET Server Security for Windows Server | unaffected |
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| ESET, spol. s.r.o | ESET Small Business Security | unaffected |
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| ESET, spol. s.r.o | ESET Smart Security Premium | unaffected |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/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:X/V:X/RE:X/U:X
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Jul 18, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2025–2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.10% (0.00104) | 0.93th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.10% (0.00096) | 0.92th | v5 (v2026.06.15) |
| Jul 18, 2025 | 0.01% (0.00013) | 1.37th | v4 (v2025.03.14) |
References (1)
Change history (0)
No recorded changes yet.