Huntress Labs

Microsoft Defender Zero-Day “BlueHammer” Hits KEV Catalog Following Researcher’s Protest

BlueHammer Exploit Microsoft Defender LPE

Microsoft Defender Zero-Day “BlueHammer” Hits KEV Catalog Following Researcher’s Protest

Do Son April 23, 2026

CISA adds BlueHammer (CVE-2026-33825) to the KEV catalog. This Microsoft Defender LPE exploit uses TOCTOU to hijack SAM databases. Patch by May 6, 2026.

CVE-2024-58406CVSS 8.7
Huatian Dynamic OA8000 collaborative office system contains an unauthenticated path traversal vulnerability in /OAapp/jsp/trace/ntkodownload.jsp, where the filename request...
Watchtower Verified📅 Updated: Nov 13, 2026
CVE-2026-114713CVSS 8.6
The labeled-response module in UnrealIRCd 6.0.0 before 6.2.7.1 does not escape the IRCv3 "label" message tag when echoing...
CISA KEV📅 Added to KEV: Nov 13, 2026
CVE-2026-123039CVSS 7.8
The Gaia OS DynamicCLI daemon runs as root and listens on a world-writable local socket (/tmp/dynamic_socket) without authenticating...
CISA KEV📅 Added to KEV: Nov 13, 2026
CVE-2026-20320CVSS 7.5
A vulnerability in the Open Client Interface (OCI) XML Parser of Cisco BroadWorks could allow an unauthenticated, remote...
CISA KEV📅 Added to KEV: Nov 10, 2026
CVE-2026-111793CVSS 4.3
Openwave Webtop Media Transcoder does not enforce administrator-defined file type restrictions to restrict the file-types to be converted....
CISA KEV📅 Added to KEV: Nov 10, 2026
CVE-2026-111560CVSS 8.6
Improper neutralization of shell metacharacters in the timezone configuration field in certain Barracuda appliance products using common Barracuda...
CISA KEV📅 Added to KEV: Nov 10, 2026
CVE-2026-116606CVSS 9.3
An authentication bypass in Barracuda Email Security Gateway versions earlier than 9.4.0.030 allows an unauthenticated remote attacker to...
CISA KEV📅 Added to KEV: Nov 10, 2026
CVE-2026-125350
Use after free in XML. Reported by anonymous on 2026-11-06. Google is aware that an exploit for CVE-2026-125350...
CISA KEV📅 Added to KEV: Nov 10, 2026

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CVE-2026-129483CVSS 9.3
Cyrus SASL through 2.1.28 contains an authentication bypass vulnerability in the SRP server mechanism because srp_server_mech_step2 does not...
📅 Updated: Nov 15, 2026
CVE-2026-129453CVSS 9.4
A vulnerability was found in DrayTek Vigor2960 1.5.1.6. This issue affects the function check_file_exist of the file /cgi-bin/mainfunction.cgi...
📅 Updated: Nov 15, 2026
CVE-2026-124560CVSS 9.3
A vulnerability was found in D-Link DIR-878 1.20B05. This affects the function GetCAPTCHAsetting of the file bin/prog.cgi of...
📅 Updated: Nov 15, 2026
CVE-2026-129452CVSS 9.4
A vulnerability has been found in DrayTek Vigor2960 1.5.1.6. This vulnerability affects the function set_table of the file...
📅 Updated: Nov 15, 2026
CVE-2026-129451CVSS 9.4
A flaw has been found in DrayTek Vigor2960 up to 1.5.1.6. This affects the function app_guest_export of the...
📅 Updated: Nov 15, 2026
CVE-2026-129450CVSS 9.4
A vulnerability was detected in DrayTek Vigor2960 1.5.1.6. Affected by this issue is the function sub_1E084 of the...
📅 Updated: Nov 15, 2026
CVE-2026-129449CVSS 9.4
A security vulnerability has been detected in DrayTek Vigor2960 up to 1.5.1.6. Affected by this vulnerability is the...
📅 Updated: Nov 15, 2026
CVE-2026-129349CVSS 9.1
When authentication caching is enabled on DefaultLdapRealm, after a user logs in successfully once, subsequent logins for that...
📅 Updated: Nov 15, 2026