PT-2026-47928 · Microsoft · Windows

Hareh4Ru + 4 · CVE-2026-44812 · Published 2026-06-09 · Updated 2026-06-19

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft Windows (affected versions not specified)

Description An integer overflow or wraparound in the Windows Win32K - GRFX component allows an unauthorized attacker to execute code locally. An integer overflow occurs when an arithmetic operation attempts to create a numeric value that is too large to be represented within the available storage space.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

BDU:2026-08200

CVE-2026-44812

Affected Products

Windows

References · 10

• https://safe-surf.ru/specialists/bulletins-nkcki/733220 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44812 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-44812 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-44812 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-44812 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-08200 · Security Note
• https://twitter.com/vuldb/status/2064408247331938753 · Twitter Post
• https://t.me/cveNotify/168953 · Telegram Post
• https://t.me/cveNotify/171199 · Telegram Post
• https://zerodayinitiative.com/blog/2026/6/9/the-june-2026-security-update-review · Note