Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2026-44812

Severity CVSS v4.0:
Pending analysis
Type:
CWE-190 Integer Overflow or Wraparound
Publication date:
09/06/2026
Last modified:
19/06/2026

Description

Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:microsoft:excel:-:*:*:*:*:android:*:*
cpe:2.3:a:microsoft:powerpoint:-:*:*:*:*:android:*:*
cpe:2.3:a:microsoft:word:-:*:*:*:*:android:*:*
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* 10.0.14393.9234 (excluding)
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* 10.0.14393.9234 (excluding)
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* 10.0.17763.8880 (excluding)
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* 10.0.17763.8880 (excluding)
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* 10.0.19044.7417 (excluding)
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* 10.0.19044.7417 (excluding)
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* 10.0.19044.7417 (excluding)
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* 10.0.19045.7417 (excluding)
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* 10.0.19045.7417 (excluding)
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* 10.0.19045.7417 (excluding)
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* 10.0.22631.7219 (excluding)
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* 10.0.22631.7219 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools