CVE-2026-72929
Improper validation of integrity check value in Windows Installer allows an authorized attacker to elevate privileges locally.
Scoring
- Severity
- HIGH
- CVSS base score
- 7.8
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- EPSS probability
- 0.22%
- CWE
- CWE-354
- Published
- 2026-09-08
- Last modified
- 2026-09-10
Affected products
- Microsoft Windows 11 version 23H2
- Microsoft Windows 11 Version 23H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 11 Version 25H2
- Microsoft Windows 11 version 26H1
- Microsoft Windows Server 2025
- Microsoft Windows Server 2025 (Server Core installation)
Weakness type
Related vulnerabilities
- CVE-2026-20354 — Cisco Secure Email S/MIME Ciphertext Decryption Vulnerabilty
- CVE-2026-82549 — Linux Foundation Magma SecurityModeComplete integrity check
- CVE-2026-75803 — AEAD Forgeries with Empty Ciphertext When Using EVP_Cipher()
- CVE-2026-75625 — Kraken Agents Peer-to-Peer Download Cache Poisoning via Digest Verification Bypass
- CVE-2026-12817 — OpenPGP AEAD decryption skips final tag on chunk-aligned data
- CVE-2026-12816 — IESEngine stream-mode MAC forgery via length-dependent KDF split
- CVE-2026-12803 — KCCMBlockCipher MAC does not bind nonce when AAD is absent (cross-nonce AEAD forgery)
- CVE-2026-12802 — CMS AuthEnvelopedData fails to enforce tag-length on decryption