Microsoft Excel Information Disclosure Vulnerability New
Released: Feb 11, 2025
- Assigning CNA
- Microsoft
- CVE.org link
- CVE-2025-21383
- Impact
- Information Disclosure
- Max Severity
- Important
- Weakness
- CVSS Source
- Microsoft
- Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Metrics
- CVSS:3.1 7.8 / 6.8Base score metrics: 7.8 / Temporal score metrics: 6.8
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Exploit Code Maturity
Unproven
Remediation Level
Official Fix
Report Confidence
Confirmed
Please see Common Vulnerability Scoring System for more information on the definition of these metrics.
Exploitability
The following table provides an exploitability assessment for this vulnerability at the time of original publication.
- Publicly disclosed
- No
- Exploited
- No
- Exploitability assessment
- Exploitation Less Likely
FAQ
What type of information could be disclosed by this vulnerability?
An attacker who successfully exploited this vulnerability could potentially read small portions of heap memory.
How could an attacker exploit this vulnerability?
To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system.
Additionally, an attacker could convince a local user to open a malicious file. The attacker would have to convince the user to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.
Is the Preview Pane an attack vector for this vulnerability?
No, the Preview Pane is not an attack vector.
Acknowledgements
- F4
Security Updates
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle.
- 16.0.5487.1000
- 16.0.5487.1000
- 16.94.25020927
- Security Update
- https://aka.ms/OfficeSecurityReleases
- Security Update
- https://aka.ms/OfficeSecurityReleases
- Security Update
- https://aka.ms/OfficeSecurityReleases
- Security Update
- https://aka.ms/OfficeSecurityReleases
- 16.94.25020927
- Security Update
- https://aka.ms/OfficeSecurityReleases
- Security Update
- https://aka.ms/OfficeSecurityReleases
- Security Update
- https://aka.ms/OfficeSecurityReleases
- Security Update
- https://aka.ms/OfficeSecurityReleases
Disclaimer
Revisions
Information published.