CVE-2026-68827
Integer underflow (wrap or wraparound) in Windows GDI+ allows an authorized attacker to elevate privileges over a network.
Scoring
- Severity
- HIGH
- CVSS base score
- 8
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- EPSS probability
- 0.40%
- CWE
- CWE-191, CWE-122
- Published
- 2026-09-08
- Last modified
- 2026-09-18
Affected products
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 version 23H2
- Microsoft Windows 11 Version 23H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 11 Version 25H2
Weakness type
Related vulnerabilities
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- CVE-2025-55118 — BMC Control-M/Agent memory corruption in SSL/TLS communication
- CVE-2025-29913 — CryptoLib's Crypto_TC_Prep_AAD Has Buffer Overflow Due to Integer Underflow
- CVE-2025-29912 — CryptoLib Has Heap Buffer Overflow Due to Unsigned Integer Underflow in Crypto_TC_ProcessSecurity
- CVE-2025-29909 — CryptoLib's Crypto_TC_ApplySecurity() Has a Heap Buffer Overflow Vulnerability