Microsoft Office improper restriction of names for files and other resources

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Office and classified as critical. This impacts an unknown function. Executing a manipulation can lead to improper restriction of names for files and other resources. This vulnerability is registered as CVE-2025-47953. It is possible to launch the attack remotely. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in Microsoft Office (the affected version is unknown) and classified as critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a improper restriction of names for files and other resources vulnerability. The CWE definition for the vulnerability is CWE-641. The product constructs the name of a file or other resource using input from an upstream component, but it does not restrict or incorrectly restricts the resulting name. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

The weakness was published 06/10/2025 as confirmed security update guide (Website). The advisory is shared for download at msrc.microsoft.com. This vulnerability was named CVE-2025-47953. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/23/2026).

The vulnerability scanner Nessus provides a plugin with the ID 238100 (Security Updates for Microsoft Office Products (June 2025) (macOS)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (238100) and EUVD (EUVD-2025-17761). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.1

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 8.4
Vendor Vector (Microsoft): 🔍

CNA Base Score: 8.4
CNA Vector (Microsoft): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper restriction of names for files and other resources
CWE: CWE-641
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 238100
Nessus Name: Security Updates for Microsoft Office Products (June 2025) (macOS)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

06/10/2025 🔍
06/10/2025 +0 days 🔍
06/10/2025 +0 days 🔍
05/23/2026 +346 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2025-47953 (🔍)
GCVE (CVE): GCVE-0-2025-47953
GCVE (VulDB): GCVE-100-311980
EUVD: 🔍

Entryinfo

Created: 06/10/2025 19:31
Updated: 05/23/2026 02:39
Changes: 06/10/2025 19:31 (29), 06/10/2025 19:35 (39), 06/11/2025 06:12 (2), 06/12/2025 13:44 (1), 05/23/2026 02:39 (13)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!