CVE-2025-60726: Microsoft Excel Information Disclosure Vulnerability
CVE-2025-60726 is an information disclosure vulnerability in Microsoft Excel, rated Important by Microsoft, with a CVSS 3.1 base score of 7.1 (High). An attacker can exploit it by an attacker with local access, without any privileges and only if a user takes an action. Microsoft has not reported exploitation in the wild and rates exploitation as less likely. The EPSS model estimates a 0.62% probability of exploitation activity in the next 30 days, higher than 50% of all scored vulnerabilities. Microsoft released the fix on 11 November 2025 in the November 2025 Patch Tuesday, delivered through 3 security updates (KB5002801, KB5002811, KB5002810). It affects 13 products in 1 product family (Microsoft Office).
Key facts
- CVE ID
- CVE-2025-60726
- Severity
- High CVSS 7.1
- Microsoft severity
- Important
- Impact
- Information Disclosure
- Exploited in the wild
- No
- Publicly disclosed
- No
- Exploitation likelihood
- Less Likely
- Weakness
- CWE-125
- EPSS
- 0.62% (percentile 50%)
- CISA KEV
- Not listed
- Released
- Last updated
- Patch Tuesday
- November 2025 Patch Tuesday
- Product families
- Microsoft Office
CVSS score and vector
Microsoft scores CVE-2025-60726 at 7.1 (temporal 6.2) using CVSS 3.1. Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C
| Metric | Value |
|---|---|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality impact | High |
| Integrity impact | None |
| Availability impact | High |
| Exploit code maturity | Unproven |
| Remediation level | Official fix |
| Report confidence | Confirmed |
Description
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Frequently asked questions (Microsoft)
According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
An attacker must send a user a malicious Office file and convince them to open it.
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.
Is the Preview Pane an attack vector for this vulnerability?
No, the Preview Pane is not an attack vector.
There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Security Updates table for the software?
Yes. Customers should apply all updates offered for the software installed on their systems. If multiple updates apply, they can be installed in any order.
Affected products (13)
Microsoft Office
| Product | Security update | Type | Fixed build | Restart |
|---|---|---|---|---|
| Office Online Server | KB5002801 | Security Update | 16.0.10417.20068 | Maybe |
| Microsoft Office 2019 for 32-bit editions | Click to Run | Security Update | https://aka.ms/OfficeSecurityReleases | No |
| Microsoft Office 2019 for 64-bit editions | Click to Run | Security Update | https://aka.ms/OfficeSecurityReleases | No |
| Microsoft 365 Apps for Enterprise for 32-bit Systems | Click to Run | Security Update | https://aka.ms/OfficeSecurityReleases | No |
| Microsoft 365 Apps for Enterprise for 64-bit Systems | Click to Run | Security Update | https://aka.ms/OfficeSecurityReleases | No |
| Microsoft Office LTSC for Mac 2021 | Release Notes | Security Update | 16.103.25110922 | Maybe |
| Microsoft Office LTSC 2021 for 64-bit editions | Click to Run | Security Update | https://aka.ms/OfficeSecurityReleases | No |
| Microsoft Office LTSC 2021 for 32-bit editions | Click to Run | Security Update | https://aka.ms/OfficeSecurityReleases | No |
| Microsoft Office LTSC 2024 for 32-bit editions | Click to Run | Security Update | https://aka.ms/OfficeSecurityReleases | No |
| Microsoft Office LTSC 2024 for 64-bit editions | Click to Run | Security Update | https://aka.ms/OfficeSecurityReleases | No |
| Microsoft Office LTSC for Mac 2024 | Release Notes | Security Update | 16.103.25110922 | Maybe |
| Microsoft Excel 2016 (32-bit edition) | KB5002811 KB5002810 | Security Update Security Update | 16.0.5526.1002 16.0.5526.1003 | Maybe Maybe |
| Microsoft Excel 2016 (64-bit edition) | KB5002811 KB5002810 | Security Update Security Update | 16.0.5526.1002 16.0.5526.1003 | Maybe Maybe |
Security updates (3)
NIST NVD data
- NVD status
- Analyzed
- NVD CVSS
- 7.1 (HIGH)
- NVD weakness
- CWE-125
- Published to NVD
- NVD last modified
Affected configurations (CPE)
| Product | Vulnerable versions |
|---|---|
| 365 apps (x64) | all listed versions |
| 365 apps (x86) | all listed versions |
| excel 2016 (x64) | all listed versions |
| excel 2016 (x86) | all listed versions |
| office 2019 (x64) | all listed versions |
| office 2019 (x86) | all listed versions |
| office long term servicing channel 2021 (x64) | all listed versions |
| office long term servicing channel 2021 (x86) | all listed versions |
| office long term servicing channel 2021 | all listed versions |
| office long term servicing channel 2024 (x64) | all listed versions |
| office long term servicing channel 2024 (x86) | all listed versions |
| office long term servicing channel 2024 | all listed versions |
| office online server | before 16.0.10417.20068 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-60726 (Vendor Advisory)
Acknowledgments
Revision history
| Version | Date | Description |
|---|---|---|
| 1.0 | Information published. | |
| 2.0 | Affected software updated with new package information. |