CVE-2026-73013
Windows Imaging Component Remote Code Execution Vulnerability
Description
Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code over a network.
In plain language
AI Act nowCVE-2026-73013 is a Windows security flaw that can let an attacker run code from over the network via the Windows Imaging Component; if your business runs affected Windows versions, you should act now by installing the fixed updates.
CVE-2026-73013 is a heap-based buffer overflow in the Windows Imaging Component that can be triggered remotely (no login required, but with some form of victim interaction) to achieve remote code execution on affected Windows 10/11 and Windows Server releases.
What to do now
- Identify your exact Windows version and build number (Settings → System → About, or run
winver) and compare it to the fixed builds listed below for your edition. - If you are on Windows 10, upgrade until you reach one of: 10.0.14393.9512, 10.0.17763.9245, 10.0.19044.7725, or 10.0.19045.7725.
- If you are on Windows 11, upgrade until you reach one of: 10.0.22631.7582, 10.0.26100.9445, 10.0.26200.9445, or 10.0.28000.2954.
- If you are on Windows Server, upgrade until you reach the listed fixed builds for your release: 6.2.9200.26349 (Server 2012), 6.3.9600.23397 (Server 2012 R2), 10.0.14393.9512 (Server 2016), 10.0.17763.9245 (Server 2019), or apply to get to the newest available security update for Server 2022/2025 via Microsoft Update.
- After updating, verify the build number again to ensure it matches a fixed version from the list, then re-check any imaging-related apps/workflows that process images from users or the network.
CVSS Vector Breakdown
AV:NAttack VectorAC:LAttack ComplexityPR:NPrivileges RequiredUI:RUser InteractionS:UScopeC:HConfidentialityI:HIntegrityA:HAvailabilityWeaknesses
Affected Products
Exploitability
Attack Graph
Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.
MITRE ATT&CK
1 techniqueReferences
- Microsoft Patch Tuesday for September 2026 — Snort rules and prominent vulnerabilitiesen·Cisco Talos· Exploited Windows zero-day
- Microsoft and Adobe Patch Tuesday, September 2026 Security Update Reviewen-us·Qualys Security Blog· Exploited Microsoft Exchange Server Qualys
- Microsoft September 2026 Patch Tuesday fixes 966 flaws, 2 zero-daysen-us·BleepingComputer· Exploited Windows patch-tuesday
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