Exploit for CVE-2026-21509

🗓️ 27 Jan 2026 09:26:41Reported by AshweskerType

githubexploit

githubexploit🔗 github.com👁 492 Views

CVE-2026-21509 is a Microsoft Office feature bypass that trusts malicious files, enabling malware.

Reporter	Title	Published	Views	Family All 654
GithubExploit	Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Microsoft	25 Jan 202112:44	–	githubexploit
GithubExploit	Exploit for CVE-2026-21509	27 Jan 202613:56	–	githubexploit
GithubExploit	Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Microsoft	16 Jan 201805:49	–	githubexploit
GithubExploit	Exploit for Reliance on Untrusted Inputs in a Security Decision in Microsoft	30 Jun 202616:19	–	githubexploit
GithubExploit	Exploit for Reliance on Untrusted Inputs in a Security Decision in Microsoft	4 Feb 202614:13	–	githubexploit
GithubExploit	Exploit for Reliance on Untrusted Inputs in a Security Decision in Microsoft	29 Jan 202600:51	–	githubexploit
GithubExploit	Exploit for Reliance on Untrusted Inputs in a Security Decision in Microsoft	31 Jan 202604:52	–	githubexploit
GithubExploit	Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Microsoft	21 Nov 201715:22	–	githubexploit
GithubExploit	Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Microsoft	20 Nov 201716:35	–	githubexploit
GithubExploit	Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Microsoft	30 Dec 201713:20	–	githubexploit

27 Jan 2026 09:43Current

7.7High risk

Vulners AI Score7.7

CVSS 3.17.8

CVSS 29.3

EPSS0.99945

SSVC

microsoft office security bypass malicious files exploitation in wild emergency patch word excel documents