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Microsoft security briefs

3328 published alerts for Microsoft products and services.

Actively exploited (KEV)Ransomware

CVE-2022-21882

Microsoft Win32k Privilege Escalation Vulnerability

Microsoft Win32k is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2022-21882). Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation. CISA remediation due date: 2022-02-18. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2020-0787

Microsoft Windows Background Intelligent Transfer Service (BITS) Improper Privilege Management Vulnerability

Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2020-0787). Microsoft Windows BITS is vulnerable to to a privilege elevation vulnerability if it improperly handles symbolic links. An actor can exploit this vulnerability to execute arbitrary code with system-level privileges. CISA remediation due date: 2022-07-28. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2018-8453

Microsoft Win32k Privilege Escalation Vulnerability

Microsoft Win32k is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2018-8453). Microsoft Windows Win32k contains a vulnerability that allows an attacker to escalate privileges. CISA remediation due date: 2022-07-21. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2019-1458

Microsoft Win32k Privilege Escalation Vulnerability

Microsoft Win32k is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2019-1458). A privilege escalation vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k EoP. CISA remediation due date: 2022-07-10. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-43890

Microsoft Windows AppX Installer Spoofing Vulnerability

Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-43890). Microsoft Windows AppX Installer contains a spoofing vulnerability which has a high impacts to confidentiality, integrity, and availability. CISA remediation due date: 2021-12-29. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-42321

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Exchange is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-42321). An authenticated attacker could leverage improper validation in cmdlet arguments within Microsoft Exchange and perform remote code execution. CISA remediation due date: 2021-12-01. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-40449

Microsoft Windows Win32k Privilege Escalation Vulnerability

Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-40449). Unspecified vulnerability allows for an authenticated user to escalate privileges. CISA remediation due date: 2021-12-01. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-40444

Microsoft MSHTML Remote Code Execution Vulnerability

Microsoft MSHTML is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-40444). Microsoft MSHTML contains a unspecified vulnerability that allows for remote code execution. CISA remediation due date: 2021-11-17. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-38647

Microsoft Open Management Infrastructure (OMI) Remote Code Execution Vulnerability

Microsoft Open Management Infrastructure (OMI) is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-38647). Microsoft Open Management Infrastructure (OMI) within Azure VM Management Extensions contains an unspecified vulnerability allowing remote code execution. CISA remediation due date: 2021-11-17. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-36955

Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability

Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-36955). Microsoft Windows Common Log File System (CLFS) driver contains an unspecified vulnerability that allows for privilege escalation. CISA remediation due date: 2021-11-17. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-36942

Microsoft Windows Local Security Authority (LSA) Spoofing Vulnerability

Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-36942). Microsoft Windows Local Security Authority (LSA) contains a spoofing vulnerability allowing an unauthenticated attacker to call a method on the LSARPC interface and coerce the domain controller to authenticate against another server using NTLM. CISA remediation due date: 2021-11-17. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-34527

Microsoft Windows Print Spooler Remote Code Execution Vulnerability

Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-34527). Microsoft Windows Print Spooler contains an unspecified vulnerability due to the Windows Print Spooler service improperly performing privileged file operations. Successful exploitation allows an attacker to perform remote code execution with SYSTEM privileges. The vulnerability is also known under the moniker of PrintNightmare. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-34523

Microsoft Exchange Server Privilege Escalation Vulnerability

Microsoft Exchange Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-34523). Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation. CISA remediation due date: 2021-11-17. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-34473

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Exchange Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-34473). Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. CISA remediation due date: 2021-11-17. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-31207

Microsoft Exchange Server Security Feature Bypass Vulnerability

Microsoft Exchange Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-31207). Microsoft Exchange Server contains an unspecified vulnerability that allows for security feature bypass. CISA remediation due date: 2021-11-17. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-27065

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Exchange Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-27065). Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-26858

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Exchange Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-26858). Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-26857

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Exchange Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-26857). Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-26855

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Exchange Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-26855). Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-26411

Microsoft Internet Explorer Memory Corruption Vulnerability

Microsoft Internet Explorer is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-26411). Microsoft Internet Explorer contains an unspecified vulnerability that allows for memory corruption. CISA remediation due date: 2021-11-17. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-1732

Microsoft Win32k Privilege Escalation Vulnerability

Microsoft Win32k is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-1732). Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation. CISA remediation due date: 2021-11-17. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2021-1675

Microsoft Windows Print Spooler Remote Code Execution Vulnerability

Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-1675). Microsoft Windows Print Spooler contains an unspecified vulnerability that allows for remote code execution. CISA remediation due date: 2021-11-17. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2020-1472

Microsoft Netlogon Privilege Escalation Vulnerability

Microsoft Netlogon is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2020-1472). Microsoft's Netlogon Remote Protocol (MS-NRPC) contains a privilege escalation vulnerability when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller. An attacker who successfully exploits the vulnerability could run a specially crafted application on a device on the network. The vulnerability is also known under the moniker of Zerologon. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)Ransomware

CVE-2020-0968

Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability

Microsoft Internet Explorer is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2020-0968). Microsoft Internet Explorer contains a memory corruption vulnerability due to how the Scripting Engine handles objects in memory, leading to remote code execution. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.