CVE-2025-30377
published 2025-05-13CVE-2025-30377: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
PriorityP347high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.55%
42.3th percentile
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Affected
25 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | excel | — | — |
| microsoft | microsoft_365_apps_for_enterprise | >= 16.0.1 < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| microsoft | microsoft_office_2016 | >= 16.0.0 < 16.0.5500.1002 | 16.0.5500.1002 |
| microsoft | microsoft_office_2019 | >= 19.0.0 < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| microsoft | microsoft_office_for_android | >= 16.0.1 < 16.0.18827.20000 | 16.0.18827.20000 |
| microsoft | microsoft_office_ltsc_2021 | >= 16.0.1 < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| microsoft | microsoft_office_ltsc_2024 | >= 16.0.0 < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| microsoft | microsoft_office_ltsc_for_mac_2021 | >= 16.0.1 < 16.97.25042725 | 16.97.25042725 |
| microsoft | microsoft_office_ltsc_for_mac_2024 | >= 16.0.0 < 16.97.25042725 | 16.97.25042725 |
| microsoft | office | — | — |
| microsoft | office_long_term_servicing_channel | — | — |
| microsoft | office_long_term_servicing_channel | — | — |
| microsoft | office_online_server | < 16.0.10417.20010 | 16.0.10417.20010 |
| msrc | microsoft_365_apps_for_enterprise_for_32-bit_systems | — | — |
| msrc | microsoft_365_apps_for_enterprise_for_64-bit_systems | — | — |
| msrc | microsoft_office_2016 | — | — |
| msrc | microsoft_office_2019_for_32-bit_editions | — | — |
| msrc | microsoft_office_2019_for_64-bit_editions | — | — |
| msrc | microsoft_office_for_android | — | — |
| msrc | microsoft_office_ltsc_2021_for_32-bit_editions | — | — |
| msrc | microsoft_office_ltsc_2021_for_64-bit_editions | — | — |
| msrc | microsoft_office_ltsc_2024_for_32-bit_editions | — | — |
| msrc | microsoft_office_ltsc_2024_for_64-bit_editions | — | — |
| msrc | microsoft_office_ltsc_for_mac_2021 | — | — |
| msrc | microsoft_office_ltsc_for_mac_2024 | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc8.4HIGH
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Microsoft
Microsoft Office Remote Code Execution Vulnerability
vendor_msrc·2025-05-13·CVSS 8.4
CVE-2025-30377 [HIGH] CWE-416 Microsoft Office Remote Code Execution Vulnerability
Microsoft Office Remote Code Execution Vulnerability
Description: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
FAQ: Is the Preview Pane an attack vector for this vulnerability?
Yes, the Preview Pane is an attack vector.
FAQ: According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?
The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.
FAQ: Are the updates for Microsoft Office LTSC for Mac 2021 and 2024 currently available?
GHSA
GHSA-hc27-mggf-jwj2: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally
ghsa_unreviewed·2025-05-13
CVE-2025-30377 [HIGH] CWE-416 GHSA-hc27-mggf-jwj2: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
No detection rules found.
No public exploits indexed.
Qualys
Microsoft and Adobe Patch Tuesday, May 2025 Security Update Review
blogs_qualys·2025-05-13
Microsoft and Adobe Patch Tuesday, May 2025 Security Update Review
## Table of Contents
Microsoft Patch Tuesday for May 2025
Adobe Patches for May 2025
Zero-day Vulnerabilities Patched in May Patch Tuesday Edition
Critical Severity Vulnerabilities Patched in May Patch Tuesday Edition
Other Microsoft Vulnerability Highlights
Microsoft Release Summary
Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
Rapid Response withPatch Management (PM)
EVALUATE Vendor-Suggested Mitigation with Policy Audit
Qualys Monthly Webinar Series
Microsoft’s May 2025 Patch Tuesday rolls out critical security updates, addressing multiple vulnerabilities across Windows, Office, and other key products. Here’s a quick breakdown of what you need to know.
## Microsoft Patch Tuesday for May 2025
In this month’s Patch Tuesday, Ma
Qualys
Microsoft and Adobe Patch Tuesday, May 2025 Security Update Review | Qualys
blogs_qualys·2025-05-13
Microsoft and Adobe Patch Tuesday, May 2025 Security Update Review | Qualys
#### Table of Contents
- Microsoft Patch Tuesday for May 2025
- Adobe Patches for May 2025
- Zero-day Vulnerabilities Patched in May Patch Tuesday Edition
- Critical Severity Vulnerabilities Patched in May Patch Tuesday Edition
- Other Microsoft Vulnerability Highlights
- Microsoft Release Summary
- Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
- Rapid Response withPatch Management (PM)
- EVALUATE Vendor-Suggested Mitigation with Policy Audit
- Qualys Monthly Webinar Series
Microsoft’s May 2025 Patch Tuesday rolls out critical security updates, addressing multiple vulnerabilities across Windows, Office, and other key products. Here’s a quick breakdown of what you need to know.
## Microsoft Patch Tuesday for May 2025
In this month’s Patc
Talos
Microsoft Patch Tuesday for May 2025 — Snort rules and prominent vulnerabilities
blogs_talos·2025-05-13·CVSS 8.8
CVE-2025-30397 [HIGH] Microsoft Patch Tuesday for May 2025 — Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for May of 2025 which includes 78 vulnerabilities affecting a range of products, including 11 that Microsoft marked as “critical”.
Microsoft noted five vulnerabilities that have been observed to be exploited in the wild. CVE-2025-30397 is a remote code execution vulnerability in the Microsoft Scripting Engine. There were also four elevation of privilege vulnerabilities being actively exploited, CVE-2025-32709, CVE-2025-30400, CVE-2025-32701 and CVE-2025-32706 affecting the Ancillary Function Driver for WinSock, the DWM Core Library and the Windows Common Log File System Driver.
The eleven "critical” entries consist of five remote code execution (RCE) vulnerabilities, four elevation of privilege vulnerabilities, one information disclosure
Talos
Microsoft Patch Tuesday for May 2025 — Snort rules and prominent vulnerabilities
blogs_talos·2025-05-13·CVSS 8.8
CVE-2025-30397 [HIGH] Microsoft Patch Tuesday for May 2025 — Snort rules and prominent vulnerabilities
## Microsoft Patch Tuesday for May 2025 — Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for May of 2025 which includes 78 vulnerabilities affecting a range of products, including 11 that Microsoft marked as “critical”.
Microsoft noted five vulnerabilities that have been observed to be exploited in the wild. CVE-2025-30397 is a remote code execution vulnerability in the Microsoft Scripting Engine. There were also four elevation of privilege vulnerabilities being actively exploited, CVE-2025-32709 , CVE-2025-30400 , CVE-2025-32701 and CVE-2025-32706 affecting the Ancillary Function Driver for WinSock, the DWM Core Library and the Windows Common Log File System Driver.
The eleven "critical” entries consist of five remote code execution (RCE) v
Bleepingcomputer
Microsoft May 2025 Patch Tuesday fixes 5 exploited zero-days, 72 flaws
blogs_bleepingcomputer·2025-05-13·CVSS 7.8
[HIGH] Microsoft May 2025 Patch Tuesday fixes 5 exploited zero-days, 72 flaws
## Microsoft May 2025 Patch Tuesday fixes 5 exploited zero-days, 72 flaws
## Lawrence Abrams
Today is Microsoft's May 2025 Patch Tuesday, which includes security updates for 72 flaws, including five actively exploited and two publicly disclosed zero-day vulnerabilities.
This Patch Tuesday also fixes six "Critical" vulnerabilities, five being remote code execution vulnerabilities and another an information disclosure bug.
The number of bugs in each vulnerability category is listed below:
17 Elevation of Privilege Vulnerabilities
2 Security Feature Bypass Vulnerabilities
28 Remote Code Execution Vulnerabilities
15 Information Disclosure Vulnerabilities
7 Denial of Service Vulnerabilities
2 Spoofing Vulnerabilities
This count does not include Azure, Dataverse, Mariner, and Microsof
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blogs_zscaler·CVSS 7.8
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May 2025 Patch Tuesday: Updates and Analysis
blogs_crowdstrike·CVSS 7.5
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2025-05-13
Published