CVE-2026-72947CWE-191

CVE-2026-72947

Medium · published September 8, 2026

CVSS v3.1
6.4
EPSS
0%
Percentile
17.9
In the wild
Unconfirmed
What it is

Integer underflow (wrap or wraparound) in Windows File History Service allows an authorized attacker to elevate privileges locally.

The record
Technical detail
CVSS v3.1
6.4 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00268 · 17.9th percentile
Weakness
CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2026-09-08T22:20Z
Affected products (20)
ProductVersionsFixed in
microsoft/windows_10_1607< 10.0.14393.951210.0.14393.9512
microsoft/windows_10_1607< 10.0.14393.951210.0.14393.9512
microsoft/windows_10_1809< 10.0.17763.924510.0.17763.9245
microsoft/windows_10_1809< 10.0.17763.924510.0.17763.9245
microsoft/windows_10_21h2< 10.0.19044.772510.0.19044.7725
microsoft/windows_10_21h2< 10.0.19044.772510.0.19044.7725
microsoft/windows_10_21h2< 10.0.19044.772510.0.19044.7725
microsoft/windows_10_22h2< 10.0.19045.772510.0.19045.7725
microsoft/windows_10_22h2< 10.0.19045.772510.0.19045.7725
microsoft/windows_10_22h2< 10.0.19045.772510.0.19045.7725
microsoft/windows_11_23h2< 10.0.22631.758210.0.22631.7582
microsoft/windows_11_23h2< 10.0.22631.758210.0.22631.7582
microsoft/windows_11_24h2< 10.0.26100.944510.0.26100.9445
microsoft/windows_11_24h2< 10.0.26100.944510.0.26100.9445
microsoft/windows_11_25h2< 10.0.26200.944510.0.26200.9445
microsoft/windows_11_25h2< 10.0.26200.944510.0.26200.9445
microsoft/windows_11_26h1< 10.0.28000.295410.0.28000.2954
microsoft/windows_11_26h1< 10.0.28000.295410.0.28000.2954
microsoft/windows_server_2016< 10.0.14393.951210.0.14393.9512
microsoft/windows_server_2019< 10.0.17763.924510.0.17763.9245
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72947 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:18Z
    EPSS moved — → 0%
    epss
  • 08 SEP 17:14Z
    Windows File History Service Elevation of Privilege Vulnerability
    cvelistv5