Vulnerability · CVE-2026-83573
Integer overflow or wraparound in Windows Kernel Mode Driver allows an unauthorized attacker to elevate privileges with a physical attack.
Published Oct 13, 2026 · catalog updated Oct 15, 2026 · Microsoft Windows
Check if you run it
No confirmed exploitation is on record for CVE-2026-83573. EPSS is 0.45%. Act only if a listed version of Microsoft Windows is installed.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium6.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.45%
- Remediation
- Advisory link
- Affected products
- microsoft Windows 11 Version 26H2 for ARM64-based Systems
Integer overflow or wraparound in Windows Kernel Mode Driver allows an unauthorized attacker to elevate privileges with a physical attack.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- microsoft Windows 11 Version 26H2 for ARM64-based Systemsversion unspecified
How to fix CVE-2026-83573
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-83573. EPSS is 0.45%. Act only if a listed version of Microsoft Windows is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-190: Integer Overflow. EPSS 0.45%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 13, 2026 · NIST NVD
Detected
Integer overflow or wraparound in Windows Kernel Mode Driver allows an unauthorized attacker to elevate privileges with a physical attack.
Oct 15, 2026 · NIST NVD
Updated
Integer overflow or wraparound in Windows Kernel Mode Driver allows an unauthorized attacker to elevate privileges with a physical attack.
Sources
- CVE.orgVulnerability recordCVE-2026-83573
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-83573
30-day exploitation probability 0.4%
first.org - Microsoft Security Update GuideVendor advisoryCVE-2026-83573
Windows 11 Version 26H2 for ARM64-based Systems
msrc.microsoft.com - NIST NVDVulnerability recordCVE-2026-83573
Integer overflow or wraparound in Windows Kernel Mode Driver allows an unauthorized attacker to elevate privileges with a physical attack.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.