CVE-2026-32177

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{"bugzilla": {"description": "dotnet: .NET: heap-based buffer overflow allows an attacker to elevate privileges locally", "id": "2476664", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2476664"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L", "status": "draft"}, "cwe": "CWE-122", "details": ["Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.", "A flaw was found in dotnet. A heap-based buffer overflow in .NET allows an unauthenticated attacker to elevate privileges locally."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2026-32177", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Under investigation", "package_name": "dotnet10.0", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Under investigation", "package_name": "dotnet8.0", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Under investigation", "package_name": "dotnet9.0", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "dotnet10.0", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "dotnet8.0", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "dotnet9.0", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Under investigation", "package_name": "dotnet10.0", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Under investigation", "package_name": "dotnet8.0", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Under investigation", "package_name": "dotnet9.0", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Under investigation", "package_name": "dotnet10.0", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Under investigation", "package_name": "dotnet8.0", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Under investigation", "package_name": "dotnet9.0", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-05-12T16:58:15Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-32177\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-32177\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32177"], "statement": "As this flaw allows an unauthenticated attacker to elevate privileges locally, it has been rated with an important severity.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[10.0.0,10.0.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0,8.0.27)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[9.0.0,9.0.16)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": ".net", "vendor": "microsoft"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2", "source": "cna", "vendor": "Microsoft"}, "product": ".net_framework", "vendor": "microsoft"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[15.9.0,15.9.80)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "visual_studio_2017", "vendor": "microsoft"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[16.11.0,16.11.56)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "visual_studio_2019", "vendor": "microsoft"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[17.12.0,17.12.20)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[17.14.0,17.14.31)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "visual_studio_2022", "vendor": "microsoft"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[18.5.0,18.5.3)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "visual_studio_2026", "vendor": "microsoft"}], "created": "2026-05-12T20:15:24.322467+00:00", "updated": "2026-08-14T04:00:12.038998+00:00", "vendors": ["microsoft", "microsoft$PRODUCT$.net", "microsoft$PRODUCT$.net_framework", "microsoft$PRODUCT$visual_studio_2017", "microsoft$PRODUCT$visual_studio_2019", "microsoft$PRODUCT$visual_studio_2022", "microsoft$PRODUCT$visual_studio_2026"]}