CVE-2026-118131 (GCVE-0-2026-118131)
Vulnerability from cvelistv5
Published
2026-10-27 17:23
Modified
2026-10-27 17:23
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
GnuPG (version 2.5.21) for Windows contains a vulnerability where default Discretionary Access Control List (DACL) inheritance on the C:\ProgramData directory allows members of the BUILTIN\Users group to create arbitrary subdirectories under this path. An attacker with low-privilege access can create the expected GnuPG configuration directory and inject malicious configuration files consumed by GnuPG components. This can result in code execution within the security context of the victim user.
References
{
"containers": {
"cna": {
"affected": [
{
"product": "GnuPG",
"vendor": "GnuPG",
"versions": [
{
"status": "affected",
"version": "2.5.21"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "GnuPG (version 2.5.21) for Windows contains a vulnerability where default Discretionary Access Control List (DACL) inheritance on the C:\\ProgramData directory allows members of the BUILTIN\\Users group to create arbitrary subdirectories under this path. An attacker with low-privilege access can create the expected GnuPG configuration directory and inject malicious configuration files consumed by GnuPG components. This can result in code execution within the security context of the victim user."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-732 Incorrect Permission Assignment for Critical Resource",
"lang": "en"
}
]
},
{
"descriptions": [
{
"description": "CWE-379 Creation of Temporary File in Directory with Insecure Permissions",
"lang": "en"
}
]
},
{
"descriptions": [
{
"description": "CWE-427 Uncontrolled Search Path Element",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-27T17:23:46.474Z",
"orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
"shortName": "certcc"
},
"references": [
{
"url": "https://atos.net/en/lp/cybershield/a-tale-of-several-hijacks-and-what-it-taught-me-about-runtime-driven-testing"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "CVE-2026-118131",
"x_generator": {
"engine": "VINCE 3.0.51",
"env": "prod",
"origin": "https://cveawg.mitre.org/api/cve/CVE-2026-118131"
}
}
},
"cveMetadata": {
"assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
"assignerShortName": "certcc",
"cveId": "CVE-2026-118131",
"datePublished": "2026-10-27T17:23:46.474Z",
"dateReserved": "2026-10-27T17:21:42.310Z",
"dateUpdated": "2026-10-27T17:23:46.474Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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