What is the CVSS score of CVE-2025-49744?

CVE-2025-49744 has a CVSS 3.1 base score of 7.0 (High). CVSS vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.9%.

Which versions of Windows 10 22h2 are affected by CVE-2025-49744?

CVE-2025-49744 is a high-severity heap-based buffer overflow in Microsoft Graphics Component that permits authenticated local attackers to escalate privileges.. A patch is available.

Is there a public PoC exploit available for CVE-2025-49744?

Yes, a public proof-of-concept exploit is available for CVE-2025-49744. Prioritise patching immediately. EPSS: 0.9%.

How to fix or mitigate CVE-2025-49744?

Within 24 hours: Identify all Windows systems running Microsoft Graphics Component and assess which have local user accounts requiring privilege isolation. Within 7 days: Apply vendor-released patch to all affected systems, prioritizing workstations with administrative users and servers. Within 30 days: Verify patch deployment across the environment and review access controls for local user accounts to enforce principle of least privilege.

Windows 10 22h2 CVE-2025-49744

EUVD-2025-20535 HIGH

Heap-based Buffer Overflow (CWE-122)

2025-07-08 secure@microsoft.com

Microsoft Heap Overflow Buffer Overflow Windows 10 22h2 Windows Server 2016 Windows 11 23h2 Windows Server 2025 Windows 10 1809 Windows Server 2019 Windows 11 22h2 Windows 10 1507 Windows Server 2022 23h2 Windows 10 1607 Windows Server 2022 Windows 11 24h2 Windows 10 21h2

7.0

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.0 HIGH

AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Updated

Apr 16, 2026 - 06:28 EUVD-patch-fix

executive_summary

Re-analysis Queued

Apr 16, 2026 - 05:29 backfill_euvd_patch

patch_released

Patch available

Apr 16, 2026 - 05:29 EUVD

10.0.20348.3932,10.0.17763.7558,10.0.26100.4652

EUVD ID Assigned

Mar 16, 2026 - 04:21 euvd

EUVD-2025-20535

Analysis Generated

Mar 16, 2026 - 04:21 vuln.today

PoC Detected

Jul 17, 2025 - 21:59 vuln.today

Public exploit code

CVE Published

Jul 08, 2025 - 17:16 nvd

HIGH 7.0

DescriptionCVE.org

Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

Analysis

Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

Technical ContextAI

A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state. This vulnerability is classified as Heap-based Buffer Overflow (CWE-122).