7.8
HIGH CVSS 3.1
CVE-2025-21395
Microsoft Access Arbitrary File Write Vulnerability
Description

Microsoft Access Remote Code Execution Vulnerability

INFO

Published Date :

Jan. 14, 2025, 6:16 p.m.

Last Modified :

July 1, 2025, 5:01 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-21395 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft office
2 Microsoft access
3 Microsoft 365_apps
4 Microsoft office_long_term_servicing_channel
5 Microsoft access_2016
6 Microsoft office_2024
7 Microsoft office_2021
8 Microsoft office_2019
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
To address the Microsoft Access Remote Code Execution Vulnerability, apply the latest security updates.
  • Apply the appropriate security update from Microsoft.
  • For Office 365, Office 2016 C2R, or Office 2019, enable automatic updates or manually update through any Office application.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-21395.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21395 Patch Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-21395 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-21395 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-21395 vulnerability anywhere in the article.

  • tripwire.com
Tripwire Patch Priority Index for January 2025

Tripwire's January 2025 Patch Priority Index (PPI) brings together important vulnerabilities for Microsoft.First on the list are patches for the Microsoft office platform, including Word, Access, Visi ... Read more

Published Date: Feb 04, 2025 (6 months, 2 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 30, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 30, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 30, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 29, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 29, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 29, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 29, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 29, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 29, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 29, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 29, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 29, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 28, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 28, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 28, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 28, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 28, 2025 (6 months, 3 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 27, 2025 (6 months, 4 weeks ago)
  • CrowdStrike.com
January 2025 Patch Tuesday: 10 Critical Vulnerabilities and Eight Zero-Days Among 159 CVEs

Microsoft has released security updates for 159 vulnerabilities in its January 2025 Patch Tuesday rollout. Among these are 10 Critical vulnerabilities and eight zero-days affecting the Windows Hyper-V ... Read more

Published Date: Jan 27, 2025 (6 months, 4 weeks ago)

The following table lists the changes that have been made to the CVE-2025-21395 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Jul. 01, 2025

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:microsoft:access:2016:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:* *cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:* *cpe:2.3:a:microsoft:office:2019:*:*:*:*:-:x86:* *cpe:2.3:a:microsoft:office:2019:*:*:*:*:-:x64:* *cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x64:* *cpe:2.3:a:microsoft:office:2024:*:*:*:ltsc:*:x64:* *cpe:2.3:a:microsoft:office:2024:*:*:*:ltsc:*:x86:* *cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x86:* OR *cpe:2.3:a:microsoft:access:2016:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:* *cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:* *cpe:2.3:a:microsoft:office:2019:*:*:*:*:-:x86:* *cpe:2.3:a:microsoft:office:2019:*:*:*:*:-:x64:* *cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x64:* *cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x86:* *cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:*:x64:* *cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:*:x86:*
  • Initial Analysis by [email protected]

    Jan. 17, 2025

    Action Type Old Value New Value
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:* *cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:* *cpe:2.3:a:microsoft:access:2016:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:office:2019:*:*:*:*:-:x64:* *cpe:2.3:a:microsoft:office:2019:*:*:*:*:-:x86:* *cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x64:* *cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x86:* *cpe:2.3:a:microsoft:office:2024:*:*:*:ltsc:*:x64:* *cpe:2.3:a:microsoft:office:2024:*:*:*:ltsc:*:x86:*
    Changed Reference Type https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21395 No Types Assigned https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21395 Patch, Vendor Advisory
  • New CVE Received by [email protected]

    Jan. 14, 2025

    Action Type Old Value New Value
    Added Description Microsoft Access Remote Code Execution Vulnerability
    Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CWE CWE-122
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21395
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact