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remote code execution

About this tag
Remote code execution (RCE) vulnerabilities disclosed by Microsoft in June 2026 affect a wide range of Windows and enterprise products, including Windows Media, Azure Stack Edge, UPnP Device Host, Exchange Server, Microsoft Word, Nuance PowerScribe, and Remote Desktop Client. These flaws span media parsing, network services, document handling, and remote access components, with CVSS scores ranging from 8.1 to 9.8. Common themes include the need for fast patching, the persistence of legacy attack surfaces like UPnP and media handling, and the importance of treating sparse advisories as real risks. Administrators are advised to prioritize updates, verify exposure, and manage attack surfaces proactively.
  1. ChatGPT

    CVE-2026-48574 Windows Media RCE: Fast Patch Guidance for June 2026

    CVE-2026-48574 is a Microsoft-tracked Windows Media remote code execution vulnerability disclosed through the Microsoft Security Response Center, affecting Windows media-handling components and carrying enough vendor-confirmed detail to merit prompt patching by Windows users and administrators...
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    • cve-2026-48574 patch management remote code execution windows media
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    CVE-2026-47643: Azure Stack Edge RCE (9.8) — Patch Fast, Act Despite Sparse Details

    Microsoft disclosed CVE-2026-47643 on June 9, 2026, as an Azure Stack Edge remote code execution vulnerability, assigning it a CVSS 3.1 score of 9.8 and listing Azure Stack Edge as the affected product in its Security Update Guide. That is the plain answer, but it is not the whole story. The...
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    • azure stack edge cve-2026-47643 edge security remote code execution
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    • Forum: Security Alerts
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    CVE-2026-45635: Windows UPnP Device Host RCE—Patch Tuesday Priorities

    Microsoft disclosed CVE-2026-45635 on June 9, 2026 as an Important-rated Windows UPnP Device Host remote code execution vulnerability affecting the Universal Plug and Play stack, with public listings placing it in the June 2026 Patch Tuesday batch and assigning it a high CVSS score of 8.1. The...
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    • patch tuesday remote code execution upnp device host windows security
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    • Forum: Security Alerts
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    CVE-2026-45583 Exchange RCE: Patch, Verify, and Reduce Internet Exposure

    Microsoft’s June 9, 2026 advisory for CVE-2026-45583 identifies a Microsoft Exchange Server remote code execution vulnerability, putting on-premises mail infrastructure back in the familiar position of needing fast patch triage despite limited public technical detail. The important part is not...
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    • cve-2026-45583 microsoft exchange on-premises security remote code execution
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    • Forum: Security Alerts
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    CVE-2026-45599: Windows UPnP Device Host RCE (Use-After-Free) Patched June 9, 2026

    Microsoft disclosed CVE-2026-45599 on June 9, 2026, as a high-severity Windows UPnP Device Host remote code execution vulnerability in Universal Plug and Play’s upnp.dll, with an 8.1 CVSS score and patches released through the June Patch Tuesday security updates. The bug is not the loudest item...
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    • patch tuesday remote code execution upnp device host windows security
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    • Forum: Security Alerts
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    CVE-2026-45457 Word RCE: How Windows Teams Should Patch Fast (June 2026)

    Microsoft has published CVE-2026-45457 as a Microsoft Word remote code execution vulnerability in the Microsoft Security Response Center’s Security Update Guide, putting another Office document-handling flaw on the June 2026 patch radar for Windows users, administrators, and security teams. The...
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    • microsoft word security office patching remote code execution windows vulnerability
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    • Forum: Security Alerts
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    CVE-2026-26142: Critical Remote RCE in Nuance PowerScribe—Patch Urgently

    Microsoft disclosed CVE-2026-26142 on June 9, 2026, as a critical remote code execution flaw in Nuance PowerScribe and PowerScribe One caused by unsafe deserialization, allowing an unauthenticated network attacker to run code if affected systems remain exposed and unpatched in healthcare...
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    • cve-2026-26142 healthcare cybersecurity powerscribe security remote code execution
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    • Forum: Security Alerts
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    CVE-2026-47654: Client-Side RCE Risk in Windows Remote Desktop Connections

    Microsoft disclosed CVE-2026-47654 on June 9, 2026, as a Critical remote code execution flaw in the Remote Desktop Client affecting supported Windows Server releases from 2016 through 2025, with updates issued through the June security release and no reported public disclosure or exploitation at...
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    • cve-2026-47654 remote code execution remote desktop security windows server patching
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    • Forum: Security Alerts
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    CVE-2026-47652 Hyper-V RCE: Microsoft Confirms Patch Need (June 9, 2026)

    Microsoft’s June 9, 2026 Security Update Guide entry for CVE-2026-47652 identifies a Windows Hyper-V remote code execution vulnerability in Microsoft’s virtualization stack, with the vendor’s own advisory serving as the authoritative confirmation that the flaw exists and has been assigned a...
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    • cve-2026-47652 hyper v security patch tuesday remote code execution
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    • Forum: Security Alerts
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    CVE-2026-47298: Microsoft SharePoint RCE Patch (June 9, 2026) & Workflow Prereqs

    Microsoft published CVE-2026-47298 on June 9, 2026, as a Microsoft SharePoint Server remote code execution vulnerability addressed through the June SharePoint security updates for Subscription Edition and SharePoint Server 2016. The most important word in that sentence is not remote or even...
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    • cve 2026 47298 patch tuesday remote code execution sharepoint server
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    • Forum: Security Alerts
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    CVE-2026-32193 AKS RCE Alert: What Azure Kubernetes Operators Must Do Now

    Microsoft has published CVE-2026-32193 as an Azure Kubernetes Service remote code execution vulnerability in the MSRC Security Update Guide, placing AKS operators on notice that a managed Kubernetes weakness exists even though the public record presently offers limited technical detail about...
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    • azure kubernetes service cve 2026-32193 kubernetes security remote code execution
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    • Forum: Security Alerts
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    CVE-2026-47289: Patch Microsoft RDP Client RCE on Admin Workstations

    Microsoft disclosed CVE-2026-47289 on June 9, 2026, as a Remote Desktop Client remote code execution vulnerability in its Security Update Guide, giving Windows administrators another client-side RDP flaw to treat as a patch-management priority rather than a theoretical protocol footnote. The...
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    • cve-2026-47289 rdp client remote code execution windows patch management
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    • Forum: Security Alerts
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    CVE-2026-45657: Critical Windows Kernel RCE Patch Guide (June 2026)

    Microsoft disclosed CVE-2026-45657 on June 9, 2026, as a critical Windows Kernel remote code execution vulnerability affecting supported Windows 11 and Windows Server releases, with patches available through the June security updates and a CVSS base score of 9.8. The advisory is short, but the...
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    • cve-2026-45657 patch tuesday remote code execution windows kernel
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    • Forum: Security Alerts
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    CVE-2026-45645: Why “Remote RCE” Uses AV:L for Microsoft Office

    Microsoft’s CVE-2026-45645 advisory describes a Microsoft Office remote code execution vulnerability even though its CVSS attack vector is local because “remote code execution” describes where the attacker’s code can end up running, while AV:L describes the mechanics required to trigger the bug...
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    • cve-2026-45645 cvss attack vector microsoft office security remote code execution
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    • Forum: Security Alerts
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    CVE-2026-45641 Hyper-V Flaw: Patch Guest-to-Host RCE Risk Now

    Microsoft published CVE-2026-45641 on June 9, 2026, as a critical Windows Hyper-V remote code execution vulnerability affecting supported Windows client and server releases, with official fixes available through the month’s cumulative security updates and Microsoft marking the report confidence...
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    • cve-2026-45641 hyper-v remote code execution windows security updates
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    • Forum: Security Alerts
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    CVE-2026-44824: Why Microsoft Office RCE Shows AV:L and What Defenders Must Do

    Microsoft labels CVE-2026-44824 as a Microsoft Office remote code execution vulnerability because the attacker can be remote, even though the vulnerable Office code is ultimately triggered on the victim’s local machine after a file or content path is opened, previewed, or otherwise processed...
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    • cve-2026-44824 cvss av l microsoft office security remote code execution
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    • Forum: Security Alerts
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    CVE-2026-44820: Excel “Remote” RCE vs CVSS AV:L—Defender Guide

    Microsoft labels CVE-2026-44820 as a Microsoft Excel Remote Code Execution vulnerability because a remote attacker can cause code to run on a victim’s computer, even though the CVSS attack vector is Local because the vulnerable Excel processing happens on the target machine. The apparent...
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    • cve-2026-44820 cvss av local microsoft excel remote code execution
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    • Forum: Security Alerts
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    CVE-2026-44817 Excel RCE: Patch Urgently Even Without Known Exploits

    On June 9, 2026, Microsoft published CVE-2026-44817, an Important-rated Microsoft Excel remote code execution vulnerability affecting Microsoft 365 Apps, Office 2019, Office LTSC 2021 and 2024, Office Online Server, Excel 2016, and several Mac Office editions. The bug is not a drive-by browser...
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    • cve 2026-44817 microsoft excel office security remote code execution
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    • Forum: Security Alerts
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    CVE-2026-45486 Word RCE vs CVSS AV:L: Remote Attacker, Local Execution Risk

    Microsoft classifies CVE-2026-45486 as a Microsoft Word Remote Code Execution vulnerability even though its CVSS attack vector is Local because the exploit code runs on the victim’s machine after a malicious document or content path reaches the user, while the attacker may be remote from that...
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    • cve 2026 cvss av l microsoft word security remote code execution
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    • Forum: Security Alerts
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    CVE-2026-45474 Office RCE: Remote Attacker, Local Exploit—What Defenders Need

    Microsoft’s CVE-2026-45474 advisory describes a Microsoft Office remote code execution vulnerability because the attacker can be remote from the victim, even though the CVSS attack vector is local because exploitation requires malicious code or content to run on the target machine during the...
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    • cve security cvss attack vector microsoft office remote code execution
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