Microsoft Office Zero-Day (CVE-2026-21509) - Emergency Patch Issued for Active ExploitationThe Hacker News·Jan 27, 10:37 UTC · Jan 27, 2026Exploit / PoC in the wildCVE-2026-21509160
Avaya Cloud Office capabilities enhance cloud communications for global businessesHelp Net Security·Jun 10, 00:00 UTC · Jun 10, 2021Industry55
Announcing the 2021 CyberScoop 50 awards winnersCyberScoop·Oct 18, 20:51 UTC · Oct 18, 2021Ransomware in the wild60
Microsoft Patch Tuesday for August 2025 — Snort rules and prominent vulnerabilitiesCisco Talos·Aug 12, 19:39 UTC · Aug 12, 2025Vulnerability in the wildCVE-2025-50176CVE-2025-50177CVE-2025-53778+10 CVEs60
Emergency Microsoft update fixes in-the-wild Office zeroSecurity Affairs·Jan 26, 19:04 UTC · Jan 26, 2026Exploit / PoC in the wildCVE-2026-21509160
Veeam Software launches Veeam Backup for Microsoft Office 365 v3Help Net Security·Apr 4, 00:00 UTC · Apr 4, 2019Policy & legal55
Microsoft Patch TuesdayCisco Talos·Oct 10, 20:25 UTC · Oct 10, 2017VulnerabilityCVE-2017-11813CVE-2017-11822CVE-2017-11762+38 CVEs160
January 2026 CVE Landscape: 23 Critical Vulnerabilities Mark 5% Increase, APT28 Exploits Microsoft Office ZeroRecorded Future·Feb 24, 00:00 UTC · Feb 24, 2026Vulnerability in the wildCVE-2026-21509CVE-2026-23760CVE-2026-1281+1 CVEs160
85% Of Workers Are Looking Forward To Returning To The OfficeHelp Net Security·Mar 11, 00:00 UTC · Mar 11, 2021Policy & legal55
Threat Brief: Office Documents Can Be Dangerous (But We’ll Continue to Use Them Anyway)Palo Alto Unit 42·Sep 21, 18:41 UTC · Sep 21, 2020Ransomware in the wildCVE-2018-4878CVE-2017-11882CVE-2018-0802+4 CVEs160
Segra's Remote Office LAN enables in-office, enterprise-grade experience for remote workersHelp Net Security·Jul 2, 00:00 UTC · Jul 2, 2020Industry55
Macro Intruders: Sneaking Past Office DefensesCisco Talos·Aug 2, 13:42 UTC · Aug 2, 2016Exploit / PoC in the wild60
RSA Conference 2020 unveils keynote line-up with world-class expertsHelp Net Security·May 12, 11:26 UTC · May 12, 2020Exploit / PoC in the wildCVE-2026-8749160
National Cyber Director Harry Coker looks back (and ahead) on the Cyber Director officeCyberScoop·Jan 8, 00:52 UTC · Jan 8, 2025Exploit / PoC in the wild60
Microsoft May 2020 Patch Tuesday fixes 111 flaws, 13 CriticalSecurity Affairs·May 13, 10:56 UTC · May 13, 2020Vulnerability in the wildCVE-2020-1071CVE-2020-1135CVE-2020-1067+65 CVEs60
APT28 exploits Microsoft Office flaw in Operation NeusploitSecurity Affairs·Feb 3, 12:13 UTC · Feb 3, 2026Threat actor in the wildCVE-2026-2150960
U.S. CISA adds Microsoft Office, GNU InetUtils, SmarterTools SmarterMail, and Linux Kernel flaws to its Known Exploited Vulnerabilities catalogSecurity Affairs·Jan 27, 14:54 UTC · Jan 27, 2026Exploit / PoC in the wildCVE-2018-14634CVE-2025-52691CVE-2026-21509+2 CVEs60
Zero-day bug exploited by attackers via macro-less Office documents (CVE-2022-30190)Help Net Security·May 31, 00:00 UTC · May 31, 2022Exploit / PoC in the wildCVE-2022-30190CVE-2021-4044460
Citrix launches back-to-office solution to help orgs efficiently adapt to the new world of workHelp Net Security·Jun 24, 00:00 UTC · Jun 24, 2020Industry55
The uphill battle to relaunch State Department's cybersecurity policy officeCyberScoop·May 8, 17:51 UTC · May 8, 2018Ransomware in the wild60
Microsoft reveals actively exploited Office zero-day, provides emergency fix (CVE-2026-21509)Help Net Security·Feb 3, 18:36 UTC · Feb 3, 2026Exploit / PoC in the wildCVE-2026-2150960
Veeam Backup for Microsoft Office 365: Purpose-built backup and recovery for TeamsHelp Net Security·Dec 4, 00:00 UTC · Dec 4, 2020Policy & legal55
Chief Data Officers are increasingly enabling digital transformationHelp Net Security·Dec 6, 00:00 UTC · Dec 6, 2017Policy & legal55
Microsoft releases guidance for Office zero-day used to target orgs in Russia, India, TibetThe Record·Jan 13, 00:00 UTC · Jan 13, 2023Exploit / PoCCVE-2022-30190160
Aruba EdgeConnect Microbranch improves connectivity services for remote workersHelp Net Security·Dec 8, 00:00 UTC · Dec 8, 2021Industry55
RSA Conference announces initial keynote speakers to address security topics and issues for 2022Help Net Security·Dec 6, 00:00 UTC · Dec 6, 2021Exploit / PoC in the wildCVE-2026-8749160
Mauro Carobene joins Kaleyra as Chief Business OfficerHelp Net Security·Oct 6, 00:00 UTC · Oct 6, 2021Advisory55
Asigra announces Cloud Backup with Deep MFA integration with Microsoft Office 365Help Net Security·Dec 17, 00:00 UTC · Dec 17, 2020Ransomware160
Veeam releases new Veeam Backup for Microsoft Office 365 v4Help Net Security·Nov 6, 00:00 UTC · Nov 6, 2019Ransomware160
DHS: Georgia incident was legitimate work, not a hackCyberScoop·Dec 12, 15:53 UTC · Dec 12, 2016Exploit / PoC in the wild60
October 2025 Patch Tuesday forecast: The end of a decade with MicrosoftHelp Net Security·Oct 10, 00:00 UTC · Oct 10, 2025VulnerabilityCVE-2025-43400CVE-2025-1058560
White House cyber director’s office set for more power under Trump, experts sayThe Record·Mar 7, 15:21 UTC · Mar 7, 2025Threat actor60
Microsoft Releases Workarounds for Office Vulnerability Under Active ExploitationThe Hacker News·May 31, 17:53 UTC · May 31, 2022Vulnerability in the wildCVE-2022-30190160
Microsoft February 2022 Patch Tuesday security updates fix a zeroSecurity Affairs·Feb 9, 14:50 UTC · Feb 9, 2022VulnerabilityCVE-2022-21989CVE-2022-23256CVE-2022-21986+55 CVEs160
Aruba’s AI-powered infrastructure optimizes customers’ reimagined work environmentsHelp Net Security·Jun 2, 00:00 UTC · Jun 2, 2020Vulnerability55
How to protect Office 365 data from ransomware attacksHelp Net Security·Feb 26, 00:00 UTC · Feb 26, 2018Ransomware60
Microsoft Patch TuesdayCisco Talos·Jan 9, 21:36 UTC · Jan 9, 2018VulnerabilityCVE-2018-0758CVE-2018-0762CVE-2018-0767+51 CVEs60
Microsoft addresses CVE-2017-11826 Office ZeroSecurity Affairs·Oct 11, 09:10 UTC · Oct 11, 2017Vulnerability in the wildCVE-2017-1182660
Microsoft Releases Patch for Exploited Office Zero DayInfosecurity Magazine·Jan 27, 10:45 UTC · Jan 27, 2026Vulnerability in the wildCVE-2026-21509260