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Vulnerabilities

CVE-2026-83676 | BDVDB-2026-387191 Detail

MicrosoftWindows 10 Version 21H2

Description#

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

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

  • CWE-191 Integer Underflow (Wrap or Wraparound)
  • CWE-122 Heap-based Buffer Overflow

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.
  2. Version 2Most recent update recorded in the CVE List.