Windows CVE-2026-20846
HIGHCVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
2DescriptionNVD
Buffer over-read in Windows GDI+ allows an unauthorized attacker to deny service over a network.
AnalysisAI
Buffer over-read in Windows GDI+ allows an unauthorized attacker to deny service over a network. [CVSS 7.5 HIGH]
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RemediationAI
Within 24 hours: Identify and inventory all systems running affected Windows GDI+ versions; establish elevated monitoring for abnormal GDI+ process behavior and network-based DoS indicators. Within 7 days: Implement network segmentation to restrict GDI+ service exposure; disable GDI+ where operationally feasible; deploy WAF rules to block malicious GDI+ rendering requests. …
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