High 8.8Published Oct 13, 2026

CVE-2026-88073Windows Graphics Kernel Elevation of Privilege Vulnerability

Updated under an hour ago (Oct 28, 2026, 6:30 AM ET)

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It affects Microsoft Windows 10 Version 21H2 and 7 other products. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.27%, higher than 18% of scored CVEs.

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Every CVE for Microsoft Windows 10 Version 21H2

Exploited in the last 30 days

Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Weakness (CWE): CWE-416
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.27% (percentile 18)
Assigned by: microsoft
NVD analysis: Analyzed
Record last updated: Oct 27, 2026
First seen by InfoSec Signals: Oct 13, 2026

Affected products

Affected products

Microsoft Windows 10 Version 21H2 microsoft:windows_10_21h2	from 10.0.19044.0 before 10.0.19044.7807	CNA record
Microsoft Windows 10 Version 22H2 microsoft:windows_10_22h2	from 10.0.19045.0 before 10.0.19045.7807	CNA record
Microsoft Windows 11 version 23H2 microsoft:windows_11_23h2	from 10.0.22631.0 before 10.0.22631.7652	CNA record
Microsoft Windows 11 Version 24H2 microsoft:windows_11_24h2	from 10.0.26100.0 before 10.0.26100.9711	CNA record
Microsoft Windows 11 Version 25H2 microsoft:windows_11_25h2	from 10.0.26200.0 before 10.0.26200.9711	CNA record
Microsoft Windows 11 version 26H1 microsoft:windows_11_26h1	from 10.0.28000.0 before 10.0.28000.3231	CNA record
Microsoft Windows 11 Version 26H2 microsoft:windows_11_26h2	from 10.0.26300.0 before 10.0.26300.9711	CNA record
Microsoft Windows Server 2025 microsoft:windows_server_2025 (from the name)	from 10.0.26100.0 before 10.0.26100.33650	CNA record
microsoft windows_10_21h2 microsoft:windows_10_21h2	before 10.0.19044.7807; before 10.0.19044.7807; before 10.0.19044.7807	NVD
microsoft windows_10_22h2 microsoft:windows_10_22h2	before 10.0.19045.7807; before 10.0.19045.7807; before 10.0.19045.7807	NVD
1–10 of 16

References

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88073	vendor-advisory, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.