These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.
CVE-2026-23666 is a HIGH severity vulnerability in .NET Framework that allows an unauthorized attacker to deny service over a network. The vulnerability has a CVSS score of 7.5 and was published on April 14, 2026. The vulnerability affects multiple versions of .NET Framework, including 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, and 4.8.1. Microsoft has released a vendor advisory for this vulnerability.
CVE-2026-32201 is a Microsoft SharePoint Server improper input validation vulnerability that CISA has added to the Known Exploited Vulnerabilities (KEV) catalog. KEV inclusion means CISA considers the issue to have known exploitation risk, so this should be treated as an urgent remediation item. The supplied corpus does not include CVSS scoring or deeper technical exploitation details, so defensive priori [truncated]
CVE-2009-0238 is a Microsoft Office remote code execution vulnerability that CISA has placed in its Known Exploited Vulnerabilities catalog. For defenders, the key takeaway is operational urgency: treat it as an actively exploited issue and prioritize vendor-guided mitigation or patching immediately.
CVE-2025-60710 is a Microsoft Windows link following vulnerability that CISA added to its Known Exploited Vulnerabilities catalog on 2026-04-13. KEV inclusion means the issue is known to be exploited in the wild and should be prioritized for remediation using Microsoft’s guidance. The source corpus does not provide a CVSS score or deeper technical impact details, so defensive planning should focus on rapi [truncated]
CVE-2023-36424 is a Microsoft Windows out-of-bounds read vulnerability that CISA has added to its Known Exploited Vulnerabilities catalog, which means it is treated as a known-exploited issue. The supplied corpus does not include a CVSS score or detailed vendor impact analysis, so the safest response is to follow Microsoft’s advisory and CISA’s required action guidance immediately.
CVE-2023-21529 is a Microsoft Exchange Server vulnerability described as deserialization of untrusted data. CISA added it to the Known Exploited Vulnerabilities catalog on 2026-04-13 and marked it as having known ransomware campaign use. For defenders, that combination makes it a high-priority item for validation, mitigation, and remediation planning using Microsoft’s guidance and the CISA KEV due date of 2026-04-27.
CVE-2012-1854 is a Microsoft Visual Basic for Applications (VBA) insecure library loading vulnerability that CISA has added to its Known Exploited Vulnerabilities catalog. That KEV listing means defenders should treat it as actively exploited or of confirmed exploitation concern and prioritize mitigation. The supplied source does not include a CVSS score or detailed exploit mechanics, so response planning [truncated]
CVE-2026-33118 is a medium severity vulnerability in Microsoft Edge (Chromium-based) that allows an unauthorized attacker to perform spoofing over a network. The vulnerability is due to user interface (UI) misrepresentation of critical information. This CVE was published on April 10, 2026, and was last modified on June 19, 2026. The CVSS score is 4.3, indicating a medium severity level. Defenders should a [truncated]
A heap buffer overflow vulnerability exists in SymCrypt, a core cryptographic function library used by Windows. The issue arises from the SymCryptXmssSign function passing a 64-bit leaf count value to a helper function that accepts a 32-bit parameter, leading to silent truncation to zero for XMSS^MT parameter sets with total tree height >= 32. This results in a drastically undersized scratch buffer alloca [truncated]
A critical server-side request forgery (SSRF) vulnerability was found in Microsoft Bing, allowing an unauthorized attacker to elevate privileges over a network. This vulnerability, classified as CRITICAL with a CVSS score of 10, poses a significant risk to security teams and administrators responsible for Microsoft Bing. The vulnerability's impact is likely to be substantial, potentially allowing attacker [truncated]
CVE-2026-20963 is a Microsoft SharePoint vulnerability involving deserialization of untrusted data. CISA added it to the Known Exploited Vulnerabilities catalog on 2026-03-18, indicating active exploitation concerns and making it a high-priority item for defenders. The supplied corpus does not provide a CVSS score or deeper impact details, so remediation guidance should be driven by vendor instructions an [truncated]
CVE-2026-26134 is a Microsoft Office privilege-escalation vulnerability caused by an integer overflow or wraparound. NVD rates it HIGH with CVSS 7.8, and the published vector indicates a local attacker with low privileges can reach a no-user-interaction path with high impact to confidentiality, integrity, and availability. Microsoft’s advisory is the primary remediation reference, and NVD’s vulnerable CPE [truncated]
CVE-2026-26128 is a high-severity local privilege escalation vulnerability in Windows SMB Server, published 2026-03-10 and last modified 2026-05-26. The vulnerability stems from improper authentication (CWE-287) and allows an authorized attacker with local access to elevate privileges. The CVSS 3.1 score of 7.8 reflects high impact on confidentiality, integrity, and availability with low attack complexity [truncated]
CVE-2026-26110 is a Microsoft Office type confusion vulnerability (CWE-843) that NVD rates 8.4/High using CVSS v3.1 vector AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. In the supplied NVD data, the affected scope spans Microsoft 365 Apps, Office 2016/2019, Office LTSC 2021/2024, and some Office Android builds, with Microsoft’s update guide linked as the vendor reference.
A local privilege escalation vulnerability exists in Microsoft Winlogon due to improper link resolution before file access (CWE-59). An authorized attacker with local access can exploit this flaw to elevate privileges on affected Windows systems. The vulnerability carries a CVSS 3.1 score of 7.8 (HIGH severity) with an attack vector of local, low attack complexity, and low privileges required. No user int [truncated]
CVE-2026-25180 is a medium-severity information disclosure flaw in the Microsoft Graphics Component. Microsoft and NVD describe it as an out-of-bounds read that can let an unauthorized attacker disclose information locally. The CVSS vector indicates local access, low attack complexity, no privileges required, and user interaction is required, with confidentiality impact only.
CVE-2026-24294 is a HIGH severity vulnerability in Windows SMB Server that allows an authorized attacker to elevate privileges locally. The vulnerability has a CVSS score of 7.8 and was published on March 10, 2026. Microsoft has released a vendor advisory for this vulnerability. The affected products include various versions of Windows 10, Windows 11, and Windows Server.
CVE-2026-24293 is a high-severity vulnerability in the Windows Ancillary Function Driver for WinSock. A null pointer dereference allows an authorized attacker to elevate privileges locally. The CVSS score is 7.8, indicating a high severity level. This vulnerability was published on March 10, 2026, and last modified on June 19, 2026. Affected products include various versions of Windows 10, Windows 11, and [truncated]
CVE-2026-24289 is a high-severity vulnerability in the Windows Kernel that allows an authorized attacker to elevate privileges locally. This use-after-free vulnerability was published on March 10, 2026, and has a CVSS score of 7.8. Affected products include various versions of Windows 10, Windows 11, and Windows Server. The vulnerability requires local access and privileges to exploit. Defenders should pr [truncated]
CVE-2026-24285 is a Microsoft Windows Win32K use-after-free vulnerability that can allow an authorized attacker to elevate privileges locally. NVD rates it High and maps it to a local, no-UI attack with high impact on confidentiality, integrity, and availability. Official references point to Microsoft’s advisory and a broad set of affected Windows and Server releases, so patching should be prioritized acr [truncated]
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-03-10T18:18:06.190Z and has not been modified since then. This high-severity vulnerability in SQL Server, with a CVSS score of 8.8, is caused by improper access control, allowing an authorized attacker to elevate privileges over a network. The vulnerability affects multiple versions of SQL Server, incl [truncated]
CVE-2008-0015 is a Microsoft Windows Video ActiveX Control remote code execution vulnerability that CISA lists in its Known Exploited Vulnerabilities catalog. Because it is a KEV item, Windows asset owners should prioritize mitigation on exposed systems before the 2026-03-10 due date.
CVE-2024-43468 is a Microsoft Configuration Manager SQL injection vulnerability that CISA lists in its Known Exploited Vulnerabilities (KEV) catalog. In the supplied corpus, CISA added the issue on 2026-02-12 and set a remediation due date of 2026-03-05. Because it is in KEV, defenders should treat it as an urgent patching and mitigation item, with priority given to Microsoft’s guidance for Configuration [truncated]
CVE-2026-21527 is a medium-severity vulnerability in Microsoft Exchange Server that allows an unauthorized attacker to perform spoofing over a network. The vulnerability has a CVSS score of 6.5 and was first published on 2026-02-10.
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-02-10T18:16:23.453Z and has not been modified since then. The vulnerability exists due to improper input validation in Power BI Report Server, allowing an authorized attacker to execute code over a network. The CVSS score is 8, indicating high severity. Affected product context suggests that Power BI R [truncated]
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-02-10T18:16:22.797Z and has not been modified since then. The CVE-2026-20846 vulnerability is a buffer over-read in Windows GDI+ that could allow an unauthorized attacker to deny service over a network. The vulnerability has a CVSS score of 7.5 and is classified as HIGH severity. Multiple Windows versi [truncated]
CVE-2026-21533 is a Microsoft Windows improper privilege management vulnerability that CISA added to the Known Exploited Vulnerabilities (KEV) catalog on 2026-02-10. Because it appears in KEV, defenders should treat it as a priority remediation item and follow vendor guidance as soon as possible.
CVE-2026-21525 is a Microsoft Windows NULL Pointer Dereference Vulnerability that CISA added to its Known Exploited Vulnerabilities catalog on 2026-02-10. Because it is on the KEV list, organizations should treat remediation as urgent and follow Microsoft’s guidance and CISA’s required actions, with the CISA due date set to 2026-03-03.
CVE-2026-21519 is a Microsoft Windows type confusion vulnerability that CISA added to the Known Exploited Vulnerabilities catalog on 2026-02-10. The KEV listing indicates known exploitation in the wild, and CISA sets a remediation due date of 2026-03-03. The supplied corpus does not include a CVSS score or additional technical impact details.
CVE-2026-21514 is a Microsoft Office Word issue described as a “Reliance on Untrusted Inputs in a Security Decision” vulnerability. CISA added it to the Known Exploited Vulnerabilities catalog on 2026-02-10 and set a remediation due date of 2026-03-03. Because it is on the KEV list, defenders should treat it as a priority even though the supplied corpus does not include a CVSS score or affected-version details.