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CVE-2025-21403 Jan 14, 18:16 MEDIUM PATCH This Month

On-Premises Data Gateway Information Disclosure Vulnerability. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable. This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.

Authentication Bypass Information Disclosure Microsoft On Prem Data Gateway
NVD
CVSS 3.1
6.4
EPSS
0.1%
CVE-2025-21395 Jan 14, 18:16 HIGH PATCH CERT-EU This Month

Microsoft Access Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

RCE Buffer Overflow Heap Overflow Microsoft 365 Apps +3
NVD
CVSS 3.1
7.8
EPSS
1.8%
CVE-2025-21393 Jan 14, 18:16 MEDIUM PATCH This Month

Microsoft SharePoint Server Spoofing Vulnerability. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Microsoft Sharepoint Server
NVD
CVSS 3.1
6.3
EPSS
0.2%
CVE-2025-21389 Jan 14, 18:16 HIGH PATCH This Month

Uncontrolled resource consumption in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to deny service over a network. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Windows Denial Of Service Microsoft Windows 10 1507 Windows 10 1607 +13
NVD
CVSS 3.1
7.5
EPSS
2.4%
CVE-2025-21382 Jan 14, 18:16 HIGH PATCH This Month

Windows Graphics Component Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

Windows Buffer Overflow Heap Overflow Microsoft Windows 10 1809 +9
NVD
CVSS 3.1
7.8
EPSS
1.8%
CVE-2025-21378 Jan 14, 18:16 HIGH PATCH This Month

Windows CSC Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

Windows Buffer Overflow Heap Overflow Microsoft Windows 10 1507 +13
NVD
CVSS 3.1
7.8
EPSS
0.5%
CVE-2025-21374 Jan 14, 18:16 MEDIUM PATCH This Month

Windows CSC Service Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.

Windows Buffer Overflow Information Disclosure Microsoft Windows 10 1507 +13
NVD
CVSS 3.1
5.5
EPSS
0.2%
CVE-2025-21372 Jan 14, 18:16 HIGH PATCH This Month

Microsoft Brokering File System Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8). This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Information Disclosure Use After Free Memory Corruption Microsoft Windows 11 24h2 +2
NVD
CVSS 3.1
7.8
EPSS
0.3%
CVE-2025-21370 Jan 14, 18:16 HIGH PATCH This Month

Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

Windows Information Disclosure Microsoft Windows 11 22h2 Windows 11 23h2 +1
NVD
CVSS 3.1
7.8
EPSS
0.6%
CVE-2025-21366 Jan 14, 18:16 HIGH PATCH CERT-EU This Month

Microsoft Access Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

RCE Use After Free Memory Corruption Microsoft 365 Apps +3
NVD
CVSS 3.1
7.8
EPSS
1.8%
CVE-2025-21365 Jan 14, 18:16 HIGH PATCH This Month

Microsoft Office Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

RCE Microsoft 365 Apps Office Long Term Servicing Channel
NVD
CVSS 3.1
7.8
EPSS
0.6%
CVE-2025-21364 Jan 14, 18:16 HIGH PATCH This Month

Microsoft Excel Security Feature Bypass Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Deserialization Microsoft 365 Apps Office Long Term Servicing Channel
NVD
CVSS 3.1
7.8
EPSS
0.2%
CVE-2025-21363 Jan 14, 18:16 HIGH PATCH This Month

Microsoft Word Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

RCE Microsoft 365 Apps Office Long Term Servicing Channel
NVD
CVSS 3.1
7.8
EPSS
1.7%
CVE-2025-21362 Jan 14, 18:16 HIGH PATCH CERT-EU This Month

Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

RCE Use After Free Memory Corruption Microsoft 365 Apps +4
NVD
CVSS 3.1
8.4
EPSS
0.6%
CVE-2025-21360 Jan 14, 18:16 HIGH PATCH This Month

Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Improper Privilege Management vulnerability could allow attackers to escalate privileges to gain unauthorized elevated access.

Privilege Escalation Microsoft Autoupdate
NVD
CVSS 3.1
7.8
EPSS
0.2%
CVE-2025-21357 Jan 14, 18:16 MEDIUM PATCH This Month

Microsoft Outlook Remote Code Execution Vulnerability. Rated medium severity (CVSS 6.7). This Use of Uninitialized Resource vulnerability could allow attackers to access uninitialized memory causing crashes or information disclosure.

RCE Microsoft Outlook 365 Apps Office +1
NVD
CVSS 3.1
6.7
EPSS
0.3%
CVE-2025-21356 Jan 14, 18:16 HIGH PATCH This Month

Microsoft Office Visio Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

RCE Buffer Overflow Heap Overflow Microsoft 365 Apps +2
NVD
CVSS 3.1
7.8
EPSS
1.0%
CVE-2025-21354 Jan 14, 18:16 HIGH PATCH CERT-EU This Month

Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity.

RCE Microsoft 365 Apps Office Office Long Term Servicing Channel +1
NVD
CVSS 3.1
8.4
EPSS
1.5%
CVE-2025-21348 Jan 14, 18:16 HIGH PATCH This Month

Microsoft SharePoint Server Remote Code Execution Vulnerability. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass RCE Microsoft Sharepoint Server
NVD
CVSS 3.1
7.2
EPSS
0.8%
CVE-2025-21346 Jan 14, 18:16 HIGH PATCH This Month

Microsoft Office Security Feature Bypass Vulnerability. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity.

Authentication Bypass Microsoft 365 Apps Office Office Long Term Servicing Channel
NVD
CVSS 3.1
7.1
EPSS
0.3%
CVE-2025-21345 Jan 14, 18:16 HIGH PATCH This Month

Microsoft Office Visio Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

RCE Use After Free Memory Corruption Microsoft 365 Apps +2
NVD
CVSS 3.1
7.8
EPSS
0.9%
CVE-2025-21344 Jan 14, 18:16 HIGH PATCH This Month

Microsoft SharePoint Server Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

RCE Microsoft Sharepoint Server
NVD
CVSS 3.1
7.8
EPSS
0.4%
CVE-2025-21343 Jan 14, 18:16 HIGH PATCH This Month

Windows Web Threat Defense User Service Information Disclosure Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Improper Privilege Management vulnerability could allow attackers to escalate privileges to gain unauthorized elevated access.

Windows Privilege Escalation Information Disclosure Microsoft Windows 11 22h2 +2
NVD
CVSS 3.1
7.5
EPSS
5.4%
CVE-2025-21341 Jan 14, 18:15 MEDIUM PATCH This Month

Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.

Windows Buffer Overflow Information Disclosure Microsoft Windows 10 1507 +14
NVD
CVSS 3.1
6.6
EPSS
0.2%
CVE-2025-21340 Jan 14, 18:15 MEDIUM PATCH This Month

Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Windows Authentication Bypass Microsoft Windows 10 1809 Windows 10 21h2 +8
NVD
CVSS 3.1
5.5
EPSS
0.1%
CVE-2025-21339 Jan 14, 18:15 HIGH PATCH This Month

Windows Telephony Service Remote Code Execution Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Windows RCE Buffer Overflow Heap Overflow Microsoft +15
NVD
CVSS 3.1
8.8
EPSS
6.1%
CVE-2025-21336 Jan 14, 18:15 MEDIUM PATCH This Month

Windows Cryptographic Information Disclosure Vulnerability. Rated medium severity (CVSS 5.6).

Windows Information Disclosure Microsoft Windows 10 1507 Windows 10 1607 +13
NVD
CVSS 3.1
5.6
EPSS
0.1%
CVE-2025-21335 Jan 14, 18:15 HIGH KEV PATCH THREAT CERT-EU Act Now

Windows Hyper-V NT Kernel Integration VSP contains a use-after-free vulnerability for local privilege escalation, the third of three Hyper-V zero-days exploited in January 2025.

Windows Information Disclosure Use After Free Memory Corruption Microsoft +7
NVD
CVSS 3.1
7.8
EPSS
8.7%
CVE-2025-21334 Jan 14, 18:15 HIGH KEV PATCH THREAT CERT-EU Act Now

Windows Hyper-V NT Kernel Integration VSP contains a use-after-free vulnerability allowing local privilege escalation, the second of three Hyper-V zero-days in January 2025.

Windows Information Disclosure Use After Free Memory Corruption Microsoft +7
NVD
CVSS 3.1
7.8
EPSS
6.6%
CVE-2025-21333 Jan 14, 18:15 HIGH POC KEV PATCH THREAT CERT-EU Act Now

Windows Hyper-V NT Kernel Integration VSP contains a heap-based buffer overflow allowing authorized local attackers to escalate privileges, one of three Hyper-V zero-days exploited in January 2025 Patch Tuesday.

Windows Buffer Overflow Heap Overflow Microsoft Windows 10 21h2 +6
NVD Exploit-DB
CVSS 3.1
7.8
EPSS
81.8%
CVE-2025-21332 Jan 14, 18:15 MEDIUM PATCH Monitor

MapUrlToZone Security Feature Bypass Vulnerability. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Authentication Bypass Microsoft Windows 10 1507 Windows 10 1607 Windows 10 1809 +12
NVD
CVSS 3.1
4.3
EPSS
0.1%
CVE-2025-21331 Jan 14, 18:15 HIGH PATCH This Month

Windows Installer Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity.

Windows Information Disclosure Microsoft Windows 10 1507 Windows 10 1607 +11
NVD
CVSS 3.1
7.3
EPSS
0.5%
CVE-2025-21330 Jan 14, 18:15 HIGH PATCH This Month

Windows Remote Desktop Services Denial of Service Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Windows Denial Of Service Microsoft Windows 10 1809 Windows 10 21h2 +8
NVD
CVSS 3.1
7.5
EPSS
1.3%
CVE-2025-21329 Jan 14, 18:15 MEDIUM PATCH Monitor

MapUrlToZone Security Feature Bypass Vulnerability. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Authentication Bypass Microsoft Windows 10 1507 Windows 10 1607 Windows 10 1809 +12
NVD
CVSS 3.1
4.3
EPSS
0.1%
CVE-2025-21328 Jan 14, 18:15 MEDIUM PATCH Monitor

MapUrlToZone Security Feature Bypass Vulnerability. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Authentication Bypass Microsoft Windows 10 1507 Windows 10 1607 Windows 10 1809 +12
NVD
CVSS 3.1
4.3
EPSS
0.1%
CVE-2025-21327 Jan 14, 18:15 MEDIUM PATCH This Month

Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.

Windows Buffer Overflow Information Disclosure Microsoft Windows 10 1507 +14
NVD
CVSS 3.1
6.6
EPSS
0.2%
CVE-2025-21326 Jan 14, 18:15 HIGH PATCH This Month

Internet Explorer Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Access of Resource Using Incompatible Type (Type Confusion) vulnerability could allow attackers to execute arbitrary code by exploiting type confusion in the application.

RCE Memory Corruption Microsoft Windows Server 2022 23h2 Windows Server 2025
NVD
CVSS 3.1
7.8
EPSS
0.6%
CVE-2025-21324 Jan 14, 18:15 MEDIUM PATCH This Month

Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.

Windows Buffer Overflow Information Disclosure Microsoft Windows 10 1507 +14
NVD
CVSS 3.1
6.6
EPSS
0.2%
CVE-2025-21323 Jan 14, 18:15 MEDIUM PATCH This Month

Windows Kernel Memory Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Windows Information Disclosure Microsoft Windows 10 1507 Windows 10 1607 +11
NVD
CVSS 3.1
5.5
EPSS
0.1%
CVE-2025-21321 Jan 14, 18:15 MEDIUM PATCH This Month

Windows Kernel Memory Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Windows Information Disclosure Microsoft Windows 10 1507 Windows 10 1607 +12
NVD
CVSS 3.1
5.5
EPSS
0.2%
CVE-2025-21320 Jan 14, 18:15 MEDIUM PATCH This Month

Windows Kernel Memory Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Windows Information Disclosure Microsoft Windows 10 1507 Windows 10 1607 +13
NVD
CVSS 3.1
5.5
EPSS
0.2%
CVE-2025-21319 Jan 14, 18:15 MEDIUM PATCH This Month

Windows Kernel Memory Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Windows Information Disclosure Microsoft Windows 10 1507 Windows 10 1607 +13
NVD
CVSS 3.1
5.5
EPSS
0.2%
CVE-2025-21318 Jan 14, 18:15 MEDIUM PATCH This Month

Windows Kernel Memory Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Windows Information Disclosure Microsoft Windows 10 1507 Windows 10 1607 +12
NVD
CVSS 3.1
5.5
EPSS
0.2%
CVE-2025-21317 Jan 14, 18:15 MEDIUM PATCH This Month

Windows Kernel Memory Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Windows Information Disclosure Microsoft Windows 10 21h2 Windows 10 22h2 +6
NVD
CVSS 3.1
5.5
EPSS
0.1%
CVE-2025-21316 Jan 14, 18:15 MEDIUM PATCH This Month

Windows Kernel Memory Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Windows Information Disclosure Microsoft Windows 10 1507 Windows 10 1607 +12
NVD
CVSS 3.1
5.5
EPSS
0.2%
CVE-2025-21315 Jan 14, 18:15 HIGH PATCH This Month

Microsoft Brokering File System Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8). This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Information Disclosure Use After Free Memory Corruption Microsoft Windows 11 24h2 +2
NVD
CVSS 3.1
7.8
EPSS
0.2%
CVE-2025-21314 Jan 14, 18:15 MEDIUM PATCH This Month

Windows SmartScreen Spoofing Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Windows Information Disclosure Microsoft Windows 10 1607 Windows 10 1809 +10
NVD
CVSS 3.1
6.5
EPSS
0.3%
CVE-2025-21313 Jan 14, 18:15 MEDIUM This Month

Windows Security Account Manager (SAM) Denial of Service Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Windows Denial Of Service Microsoft Windows 11 24h2 Windows Server 2022 23h2 +1
NVD
CVSS 3.1
6.5
EPSS
0.9%
CVE-2025-21312 Jan 14, 18:15 LOW PATCH Monitor

Windows Smart Card Reader Information Disclosure Vulnerability. Rated low severity (CVSS 2.4), this vulnerability is no authentication required, low attack complexity. This Use of Uninitialized Resource vulnerability could allow attackers to access uninitialized memory causing crashes or information disclosure.

Windows Information Disclosure Microsoft Windows 10 1507 Windows 10 1607 +10
NVD
CVSS 3.1
2.4
EPSS
0.2%
CVE-2025-21311 Jan 14, 18:15 CRITICAL PATCH CERT-EU This Week

Windows NTLM V1 Elevation of Privilege Vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Windows Information Disclosure Microsoft Windows 11 24h2 Windows Server 2022 23h2 +1
NVD
CVSS 3.1
9.8
EPSS
3.3%
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