CVE-2026-44803
Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
CSIRTS triage
- What
- An integer overflow or wraparound allows an unauthorized attacker to execute code locally.
- Who is affected
- All Windows systems using the Windows Graphics Component.
- Urgency
- Remediation is high urgency due to the potential for local code execution.
- Action
- Apply the latest security updates from Microsoft.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.44% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 35% of all EPSS-scored CVEs.
Advisory coverage (1)
- highCVE-2026-44803: Windows Graphics Component Remote Code Execution Vulnerabilitymsrc · 2026-06-09
External references
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