CVE-2025-30388
Windows Win32K GRFX Heap-based Buffer Overflow
Description
Heap-based buffer overflow in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
INFO
Published Date :
May 13, 2025, 5:16 p.m.
Last Modified :
May 19, 2025, 6:31 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-30388
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Apply the appropriate security updates for your operating system and software based on the provided update numbers.
- For Office for Mac, update to version 16.97 or later.
- For Office on Android, update to the latest version available via the Microsoft Store.
Public PoC/Exploit Available at Github
CVE-2025-30388 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-30388.
| URL | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30388 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-30388 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-30388
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
A fork of AFL for fuzzing Windows binaries
fuzzing security afl
CMake C PLpgSQL C++ JavaScript Python Rich Text Format
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-30388 vulnerability anywhere in the article.
-
The Hacker News
Microsoft August 2025 Patch Tuesday Fixes Kerberos Zero-Day Among 111 Total New Flaws
Microsoft on Tuesday rolled out fixes for a massive set of 111 security flaws across its software portfolio, including one flaw that has been disclosed as publicly known at the time of the release. Of ... Read more
The following table lists the changes that have been made to the
CVE-2025-30388 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 19, 2025
Action Type Old Value New Value Added CWE CWE-787 Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:* *cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:macos:*:* *cpe:2.3:a:microsoft:office:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.18827.20000 *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.14393.8066 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.17763.7314 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.17763.7314 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19044.5854 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19045.5854 *cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.22621.5335 *cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.22631.5335 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.4061 *cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.14393.8066 *cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.17763.7314 *cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.20348.3692 *cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.25398.1611 *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.4061 *cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.10240.21014 *cpe:2.3:a:microsoft:office:*:*:*:*:*:universal:*:* versions up to (excluding) 16.0.14326.22502 Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30388 Types: Vendor Advisory -
New CVE Received by [email protected]
May. 13, 2025
Action Type Old Value New Value Added Description Heap-based buffer overflow in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally. Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-122 Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30388