CVE Vulnerabilities

CVE-2021-31956

Integer Underflow (Wrap or Wraparound)

Published: Jun 08, 2021 | Modified: Jan 13, 2026
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
9.3 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu
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Windows NTFS Elevation of Privilege Vulnerability

Weakness

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

Affected Software

NameVendorStart VersionEnd Version
Windows_10_1507Microsoft*10.0.10240.18967 (excluding)
Windows_10_1607Microsoft*10.0.14393.4467 (excluding)
Windows_10_1809Microsoft*10.0.17763.1999 (excluding)
Windows_10_1909Microsoft*10.0.18363.1621 (excluding)
Windows_10_2004Microsoft*10.0.19041.1052 (excluding)
Windows_10_20h2Microsoft*10.0.19042.1052 (excluding)
Windows_10_21h1Microsoft*10.0.19043.1052 (excluding)
Windows_7Microsoft–sp1 (including)–sp1 (including)
Windows_8.1Microsoft- (including)- (including)
Windows_rt_8.1Microsoft- (including)- (including)
Windows_server_2004Microsoft*10.0.19041.1052 (excluding)
Windows_server_2008Microsoftr2-sp1 (including)r2-sp1 (including)
Windows_server_2008Microsoftsp2 (including)sp2 (including)
Windows_server_2012Microsoft- (including)- (including)
Windows_server_2012Microsoftr2 (including)r2 (including)
Windows_server_2016Microsoft*10.0.14393.4467 (excluding)
Windows_server_2019Microsoft*10.0.17763.1999 (excluding)
Windows_server_20h2Microsoft*10.0.19042.1052 (excluding)

References