{"items":[{"id":"NVI-00014982","kind":"vulnerability","title":"Microsoft Security Advisory CVE-2026-32203 – .NET and Visual Studio Denial of Service Vulnerability","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6588-8gv4-xfgh","CVE-2026-32203"],"plain_summary":"GitHub lists this reviewed advisory for System.Security.Cryptography.Xml, System.Security.Cryptography.Xml, System.Security.Cryptography.Xml. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-067d0262a38418eac8868cdd3b866216"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-07-28T21:02:50.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-004983918b6374b5066dc8aa50377c56"},{"kind":"EPSS","as_of":"2026-11-07T12:00:22.000Z","value":"1.895%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.79749. Missing scores are unknown.","source_id":"sr-067d0262a38418eac8868cdd3b866216"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-004983918b6374b5066dc8aa50377c56","url":"https://github.com/advisories/GHSA-6588-8gv4-xfgh","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6588-8gv4-xfgh","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T09:59:04.660Z"},{"id":"sr-067d0262a38418eac8868cdd3b866216","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-32203","publisher":"FIRST EPSS","observed_at":"2026-11-07T22:23:59.284Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-004983918b6374b5066dc8aa50377c56"],"technology":"System.Security.Cryptography.Xml","known_exclusions":[],"conditions_summary":"## Executive Summary: \n\nMicrosoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.\n\nA vulnerability exists in EncryptedXml class where a buffer overflow can give an attacker to the ability to perform a Denial of Service attack.\n\n## Announcement\n\nAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/391\n\n## CVSS Details\n\n- **Version:** 3.1\n- **Severity:** High\n- **Score:** 7.5\n- **Vector:** 7.5: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H E:U/RL:O/RC:C \n- **Weakness:** CWE-121 CWE-20: Stack-based Buffer Overflow Improper Input Validation\n \n## Affected Platforms\n\n- **Platforms:** All\n- **Architectures:** All\n\n## Affected Packages\nThe vulnerability affects any Microsoft .NET project if it uses any of affected packages versions listed below\n\n### .NET 10\nPackage name | Affected version | Patched version\n------------ | ---------------- | -------------------------\n[System.Security.Cryptography.Xml](https://www.nuget.org","public_affected_ranges":[">= 10.0.0, <= 10.0.5"]},{"certainty":"source_listed","source_ids":["sr-004983918b6374b5066dc8aa50377c56"],"technology":"System.Security.Cryptography.Xml","known_exclusions":[],"conditions_summary":"## Executive Summary: \n\nMicrosoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.\n\nA vulnerability exists in EncryptedXml class where a buffer overflow can give an attacker to the ability to perform a Denial of Service attack.\n\n## Announcement\n\nAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/391\n\n## CVSS Details\n\n- **Version:** 3.1\n- **Severity:** High\n- **Score:** 7.5\n- **Vector:** 7.5: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H E:U/RL:O/RC:C \n- **Weakness:** CWE-121 CWE-20: Stack-based Buffer Overflow Improper Input Validation\n \n## Affected Platforms\n\n- **Platforms:** All\n- **Architectures:** All\n\n## Affected Packages\nThe vulnerability affects any Microsoft .NET project if it uses any of affected packages versions listed below\n\n### .NET 10\nPackage name | Affected version | Patched version\n------------ | ---------------- | -------------------------\n[System.Security.Cryptography.Xml](https://www.nuget.org","public_affected_ranges":[">= 9.0.0, <= 9.0.14"]},{"certainty":"source_listed","source_ids":["sr-004983918b6374b5066dc8aa50377c56"],"technology":"System.Security.Cryptography.Xml","known_exclusions":[],"conditions_summary":"## Executive Summary: \n\nMicrosoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.\n\nA vulnerability exists in EncryptedXml class where a buffer overflow can give an attacker to the ability to perform a Denial of Service attack.\n\n## Announcement\n\nAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/391\n\n## CVSS Details\n\n- **Version:** 3.1\n- **Severity:** High\n- **Score:** 7.5\n- **Vector:** 7.5: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H E:U/RL:O/RC:C \n- **Weakness:** CWE-121 CWE-20: Stack-based Buffer Overflow Improper Input Validation\n \n## Affected Platforms\n\n- **Platforms:** All\n- **Architectures:** All\n\n## Affected Packages\nThe vulnerability affects any Microsoft .NET project if it uses any of affected packages versions listed below\n\n### .NET 10\nPackage name | Affected version | Patched version\n------------ | ---------------- | -------------------------\n[System.Security.Cryptography.Xml](https://www.nuget.org","public_affected_ranges":[">= 8.0.0, <= 8.0.2"]}],"null_published_at":"2026-11-08T23:19:11.235Z","source_updated_at":"2026-07-28T21:02:50.000Z","source_disclosed_at":"2026-07-28T21:02:48.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-03T09:59:04.660Z"},{"id":"NVI-00014982","kind":"vulnerability","title":"Microsoft Security Advisory CVE-2026-32203 – .NET and Visual Studio Denial of Service Vulnerability","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6588-8gv4-xfgh","CVE-2026-32203"],"plain_summary":"GitHub lists this reviewed advisory for System.Security.Cryptography.Xml, System.Security.Cryptography.Xml, System.Security.Cryptography.Xml. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-004983918b6374b5066dc8aa50377c56"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-07-28T21:02:50.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-004983918b6374b5066dc8aa50377c56"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-004983918b6374b5066dc8aa50377c56","url":"https://github.com/advisories/GHSA-6588-8gv4-xfgh","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6588-8gv4-xfgh","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T09:59:04.660Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-004983918b6374b5066dc8aa50377c56"],"technology":"System.Security.Cryptography.Xml","known_exclusions":[],"conditions_summary":"## Executive Summary: \n\nMicrosoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.\n\nA vulnerability exists in EncryptedXml class where a buffer overflow can give an attacker to the ability to perform a Denial of Service attack.\n\n## Announcement\n\nAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/391\n\n## CVSS Details\n\n- **Version:** 3.1\n- **Severity:** High\n- **Score:** 7.5\n- **Vector:** 7.5: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H E:U/RL:O/RC:C \n- **Weakness:** CWE-121 CWE-20: Stack-based Buffer Overflow Improper Input Validation\n \n## Affected Platforms\n\n- **Platforms:** All\n- **Architectures:** All\n\n## Affected Packages\nThe vulnerability affects any Microsoft .NET project if it uses any of affected packages versions listed below\n\n### .NET 10\nPackage name | Affected version | Patched version\n------------ | ---------------- | -------------------------\n[System.Security.Cryptography.Xml](https://www.nuget.org","public_affected_ranges":[">= 10.0.0, <= 10.0.5"]},{"certainty":"source_listed","source_ids":["sr-004983918b6374b5066dc8aa50377c56"],"technology":"System.Security.Cryptography.Xml","known_exclusions":[],"conditions_summary":"## Executive Summary: \n\nMicrosoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.\n\nA vulnerability exists in EncryptedXml class where a buffer overflow can give an attacker to the ability to perform a Denial of Service attack.\n\n## Announcement\n\nAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/391\n\n## CVSS Details\n\n- **Version:** 3.1\n- **Severity:** High\n- **Score:** 7.5\n- **Vector:** 7.5: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H E:U/RL:O/RC:C \n- **Weakness:** CWE-121 CWE-20: Stack-based Buffer Overflow Improper Input Validation\n \n## Affected Platforms\n\n- **Platforms:** All\n- **Architectures:** All\n\n## Affected Packages\nThe vulnerability affects any Microsoft .NET project if it uses any of affected packages versions listed below\n\n### .NET 10\nPackage name | Affected version | Patched version\n------------ | ---------------- | -------------------------\n[System.Security.Cryptography.Xml](https://www.nuget.org","public_affected_ranges":[">= 9.0.0, <= 9.0.14"]},{"certainty":"source_listed","source_ids":["sr-004983918b6374b5066dc8aa50377c56"],"technology":"System.Security.Cryptography.Xml","known_exclusions":[],"conditions_summary":"## Executive Summary: \n\nMicrosoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.\n\nA vulnerability exists in EncryptedXml class where a buffer overflow can give an attacker to the ability to perform a Denial of Service attack.\n\n## Announcement\n\nAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/391\n\n## CVSS Details\n\n- **Version:** 3.1\n- **Severity:** High\n- **Score:** 7.5\n- **Vector:** 7.5: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H E:U/RL:O/RC:C \n- **Weakness:** CWE-121 CWE-20: Stack-based Buffer Overflow Improper Input Validation\n \n## Affected Platforms\n\n- **Platforms:** All\n- **Architectures:** All\n\n## Affected Packages\nThe vulnerability affects any Microsoft .NET project if it uses any of affected packages versions listed below\n\n### .NET 10\nPackage name | Affected version | Patched version\n------------ | ---------------- | -------------------------\n[System.Security.Cryptography.Xml](https://www.nuget.org","public_affected_ranges":[">= 8.0.0, <= 8.0.2"]}],"null_published_at":"2026-11-03T10:03:26.530Z","source_updated_at":"2026-07-28T21:02:50.000Z","source_disclosed_at":"2026-07-28T21:02:48.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-03T09:59:04.660Z"}],"next_cursor":null,"snapshot_revision":"44495"}