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Windows Graphics Component Remote Code Execution Vulnerability

🗓️ 12 May 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 4 Views

Windows graphics component remote code execution due to heap overflow in Win32K GRFX.

Related
Detection
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-40403
12 May 202616:59
attackerkb
Circl
CVE-2026-40403
12 May 202615:52
circl
CNNVD
Microsoft Win32k 安全漏洞
12 May 202600:00
cnnvd
CVE
CVE-2026-40403
12 May 202616:59
cve
Cvelist
CVE-2026-40403 Windows Graphics Component Remote Code Execution Vulnerability
12 May 202616:59
cvelist
EUVD
EUVD-2026-29664
12 May 202618:30
euvd
Microsoft KB
May 12, 2026—KB5087420 (OS Build 22631.7079)
12 May 202614:00
mskb
Microsoft KB
May 12, 2026—Hotpatch KB5087423 (OS Build 26100.32772)
12 May 202614:00
mskb
Microsoft KB
May 12, 2026—Hotpatch KB5087424 (OS Build 20348.5074)
12 May 202614:00
mskb
Microsoft KB
May 12, 2026—KB5087470 (Monthly Rollup)
12 May 202614:00
mskb
Rows per page
Vulners
Node
microsoftwindows_11_25h2Range<10.0.26200.8457x64
OR
microsoftwindows_11_25h2Range<10.0.26200.8390x64
OR
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OR
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OR
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OR
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OR
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OR
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OR
microsoftwindows_10_21h2Range<10.0.19044.7291x64
OR
microsoftwindows_10_21h2Range<10.0.19044.7291x86
OR
microsoftwindows_server_2022Range<10.0.20348.5139
OR
microsoftwindows_server_2022Range<10.0.20348.5074
OR
microsoftwindows_server_2022Range<10.0.20348.5139
OR
microsoftwindows_server_2022Range<10.0.20348.5074
OR
microsoftwindows_server_2019Range<10.0.17763.8755
OR
microsoftwindows_server_2019Range<10.0.17763.8755
OR
microsoftwindows_10_1809Range<10.0.17763.8755x64
OR
microsoftwindows_10_1809Range<10.0.17763.8755x86
OR
microsoftwindows_server_2012_r2Range<6.3.9600.23181x64
OR
microsoftwindows_server_2012_r2Range<6.3.9600.23181x64
OR
microsoftwindows_server_2012Range<6.2.9200.26079x64
OR
microsoftwindows_server_2012Range<6.2.9200.26079x64
OR
microsoftwindows_server_2016Range<10.0.14393.9140
OR
microsoftwindows_server_2016Range<10.0.14393.9140
OR
microsoftwindows_10_1607Range<10.0.14393.9140x64
OR
microsoftwindows_10_1607Range<10.0.14393.9140x86
OR
microsoftwindows_11_26h1Range<10.0.28000.2113x64
OR
microsoftwindows_11_26h1Range<10.0.28000.2113x64
OR
microsoftwindows_server_2025Range<10.0.26100.32860
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OR
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OR
microsoftwindows_11_24h2Range<10.0.26100.8457x64
OR
microsoftwindows_11_24h2Range<10.0.26100.8390x64
OR
microsoftwindows_server_23h2Range<10.0.25398.2330
OR
microsoftwindows_11_23h2Range<10.0.22631.7079x64
OR
microsoftwindows_11_23h2Range<10.0.22631.7079x64
OR
microsoftwindows_11_25h2Range<10.0.26200.8457x64
OR
microsoftwindows_11_25h2Range<10.0.26200.8390x64

Data

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12 May 2026 14:00Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.18.8
EPSS0.00017
SSVC
4