VDB-315562 · CVE-2025-49756 · EUVD-2025-20617

Microsoft 365 Apps for Enterprise Office Developer Platform risky encryption

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.
3.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Microsoft 365 Apps for Enterprise. Impacted is an unknown function of the component Office Developer Platform. Executing a manipulation can lead to risky encryption. This vulnerability is tracked as CVE-2025-49756. The attack is restricted to local execution. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Microsoft 365 Apps for Enterprise (affected version not known) and classified as problematic. This vulnerability affects some unknown functionality of the component Office Developer Platform. The manipulation with an unknown input leads to a risky encryption vulnerability. The CWE definition for the vulnerability is CWE-327. The product uses a broken or risky cryptographic algorithm or protocol. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Use of a broken or risky cryptographic algorithm in Office Developer Platform allows an authorized attacker to bypass a security feature locally.

The weakness was disclosed 07/08/2025 as confirmed security update guide (Website). The advisory is available at msrc.microsoft.com. This vulnerability was named CVE-2025-49756. The exploitation appears to be difficult. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600 by the MITRE ATT&CK project.

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 vulnerability database at EUVD (EUVD-2025-20617). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Microsoft

Name

365 Apps for Enterprise

License

commercial

Website

Vendor: https://www.microsoft.com/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.4

VulDB Base Score: 4.5
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 3.3
Vendor Vector (Microsoft): 🔒

CNA Base Score: 3.3
CNA Vector (Microsoft): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Risky encryption
CWE: CWE-327 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Unproven

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Timelineinfo

07/08/2025 VulDB entry created
07/08/2025 +0 days Advisory disclosed
07/08/2025 +0 days Countermeasure disclosed
02/13/2026 +220 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2025-49756 (🔒)
GCVE (CVE): GCVE-0-2025-49756
GCVE (VulDB): GCVE-100-315562
EUVD: 🔒

Entryinfo

Created: 07/08/2025 20:02
Updated: 02/13/2026 16:03
Changes: 07/08/2025 20:02 (32), 07/08/2025 20:06 (36), 07/20/2025 04:11 (1), 02/13/2026 16:03 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.