SecuriTricks - CVE-2026-47288

Description

Integer overflow or wraparound in Windows Kerberos allows an authorized attacker to execute code over an adjacent network.

Product(s) Impacted

Vendor	Product	Versions
Microsoft	Windows Server 2012 Windows Server 2016 Windows Server 2019 Windows Server 2022 Windows Server 2025	-, r2 * * * *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-190

Integer Overflow or Wraparound

The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
o	microsoft	windows_server_2012	-	/	/	/	/	/	/	/
o	microsoft	windows_server_2012	r2	/	/	/	/	/	/	/
o	microsoft	windows_server_2016	/	/	/	/	/	/	/	/
o	microsoft	windows_server_2019	/	/	/	/	/	/	/	/
o	microsoft	windows_server_2022	/	/	/	/	/	/	/	/
o	microsoft	windows_server_2025	/	/	/	/	/	/	x64	/

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47288

CVSS Score

7.1 / 10

CVSS Data - 3.1

Attack Vector: ADJACENT_NETWORK
Attack Complexity: HIGH
Privileges Required: LOW
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

View Vector String

Timeline

Published: June 9, 2026, 5:17 p.m.
Last Modified: June 10, 2026, 8:57 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-47288