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CVE-2026-49179 is a command injection vulnerability in Windows Active Directory caused by improper neutralization of special elements used in a command. The flaw allows attacker-controlled input to be incorporated into command execution without sufficient sanitization or escaping, creating a path for arbitrary command execution. Based on the available information, the vulnerability is remotely exploitable and does not require prior authentication.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
The repository contains a single operational Python exploit, `spn_prl_exploit.py`, and a supporting README. It targets the claimed CVE-2026-49179 command-injection flaw in Active Directory's `ntdsai.dll` WriteSPNScript routine. The exploit authenticates to a supplied Domain Controller over SMB/SAMR, creates a workstation-trust account with shell metacharacters such as `&` in its machine name, and can update the account's dNSHostName to encourage SPN processing. The malicious account CN is incorporated into a DN and SPN without cmd.exe-safe escaping when the vulnerable server emits a `repadmin.exe /writespn` command. When that generated script is processed, ampersands act as command separators and attacker-controlled commands execute as SYSTEM. The script additionally has a SAMR acceptance probe that creates and removes test machine accounts for individual characters and several injection-name patterns. It requires Impacket; LDAP functionality is optional through ldap3, and SMB support is conditionally imported. There is no hardcoded victim IP address, callback host, or external URL: the Domain Controller, domain, credentials, command, trigger behavior, and optional executable payload are supplied at execution time. README references to a larger `poc/` tree do not correspond to files present in this two-file repository.
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3 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
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Cross-references every affected SKU, including bundled OEM variants.
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