CVE-2025-47994 [High] | Security Vulnerability in 365 Apps

CVE-2025-47994 is rated Moderate Risk (59.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.41%). Review affected assets and schedule remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-05-04	0.89%	1.41%	+0.51%
2	2026-04-24	1.09%	0.89%	-0.20%
3	2026-04-13	—	1.09%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-05-04

0.89%

1.41%

+0.51%

2026-04-24

1.09%

0.89%

-0.20%

2026-04-13

—

1.09%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.8	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	1.8	5.9	[email protected]
8.6	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. Scope (S:C) Breaking this can reach past the original component and bite other resources—bigger blast radius. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	1.8	6.0	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.8

3.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

1.8

5.9

[email protected]

8.6

3.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H Click to expand

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C): Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

1.8

6.0

[email protected]

Affected software / configurations for CVE-2025-47994

Vendor	Product	Version	Raw CPE
microsoft	365_apps	—	cpe:2.3:a:microsoft:365_apps:-::::enterprise::x64:*
microsoft	365_apps	—	cpe:2.3:a:microsoft:365_apps:-::::enterprise::x86:*
microsoft	office	2016	cpe:2.3:a:microsoft:office:2016::::::x64:
microsoft	office	2016	cpe:2.3:a:microsoft:office:2016::::::x86:
microsoft	office	2019	cpe:2.3:a:microsoft:office:2019::::::x64:
microsoft	office	2019	cpe:2.3:a:microsoft:office:2019::::::x86:
microsoft	office_long_term_servicing_channel	2021	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:::::-:x64:*
microsoft	office_long_term_servicing_channel	2021	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:::::-:x86:*
microsoft	office_long_term_servicing_channel	2024	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:::::-:x64:*
microsoft	office_long_term_servicing_channel	2024	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:::::-:x86:*
microsoft	sharepoint_enterprise_server	2016	cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:::::::*

References for CVE-2025-47994

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47994	Vendor Advisory

URL

CVE-2025-47994 | Microsoft Office Elevation of Privilege Vulnerability

Exploit prediction scoring system (EPSS) score for CVE-2025-47994

Common vulnerability scoring system (CVSS) metrics for CVE-2025-47994

Weakness enumeration for CVE-2025-47994

Affected software / configurations for CVE-2025-47994

References for CVE-2025-47994