High
Security advisory
Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-32177
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:13 UTC · Revision 1
Source evidence
Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.
osv:CVE-2026-32177
Complete source record
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"url": "https://osv.dev/vulnerability/CVE-2026-32177",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-32177",
"summary": "Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.",
"evidence": "osv:CVE-2026-32177",
"products": [],
"severity": "high",
"structured": {
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"aliases": [
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"BIT-dotnet-sdk-2026-32177",
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"metrics": [
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"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L"
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"affected": [
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{
"fixed": "8.0.27"
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"versions": [
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"modified": "2026-10-24T10:30:37.079650182Z",
"provider": "osv",
"references": [
"https://access.redhat.com/security/cve/CVE-2026-32177",
"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32177.json",
"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32177",
"https://bugzilla.redhat.com/show_bug.cgi?id=2476664"
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"vendor_product": "microsoft:.net_framework",
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"related_cves": [
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"security_relevant": true,
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},
"source_id": "core-osv",
"document_id": 434122,
"published_at": "2026-05-12T18:16:58.947+00:00"
}