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Office

34 articles from 12 outlets between 26 Jan and 20 Oct. First reported by Security Affairs. The busiest day was Tue 3 Feb, with 6 articles.

Articles: 34; all time · from 12 outlets
Days covered: 17; of 268 days · all time
Busiest day: 6; articles on Tue 3 Feb
Last 7 days: 0.1a day; vs 0.1 a day · previous 7 days
First report: 26 Jan; Security Affairs
CVEs tracked: 159; 390 in CISA KEV · all time

Coverage over time

34 articles · 26 Jan – 20 Oct

26 JanAdded to CISA KEV · CVE-2026-21509Office
10 FebAdded to CISA KEV · CVE-2026-21514Office
14 AprAdded to CISA KEV · CVE-2009-0238Office
26 JanFirst report26 Jan · Security Affairs

Show as table

Office: articles per day
Day (UTC)	Articles	Outlets
Mon 26 Jan	1	Security Affairs 1
Tue 27 Jan	5	SecurityOnline 1, The Hacker News 1, SecurityWeek 1, Security Affairs 1, Dark Reading 1
Thu 29 Jan	1	Malwarebytes 1
Tue 3 Feb	6	SecurityOnline 1, The Hacker News 1, SecurityWeek 1, SOCRadar 1, Security Affairs 1, Dark Reading 1
Wed 4 Feb	1	Ars Technica 1
Sun 8 Feb	1	Security Affairs 1
Mon 9 Feb	1	SecurityOnline 1
Tue 10 Feb	4	SecurityWeek 1, Dark Reading 1, Krebs on Security 1, Security Affairs 1
Wed 11 Feb	4	SecurityOnline 1, Security Affairs 1, Malwarebytes 1, SOCRadar 1
Thu 12 Feb	1	SecurityOnline 1
Mon 2 Mar	1	The Hacker News 1
Thu 26 Mar	1	trendmicro.com 1
Wed 8 Apr	2	The Hacker News 1, Security Affairs 1
Tue 14 Apr	2	CISA 2
Wed 15 Apr	1	Security Affairs 1
Thu 7 May	1	Securelist 1
Tue 20 Oct	1	The Hacker News 1

Articles

34 articles

Tue 20 Oct1 article

12:31
APT28 Breaches NATO Naval Shipbuilder and Steals Credentials in Week-Long IntrusionThe Hacker News

Thu 7 May1 article

10:11
Office and Windows flaws boost exploit kits in Q1 2026Securelist

Wed 15 Apr1 article

15:06
CISA adds old Excel RCE and SharePoint flaw to KEV listSecurity Affairs

Tue 14 Apr2 articles

23:08
CISA Adds CVE-2009-0238 Excel Flaw to KEV Catalog, Urges PatchingCISA · official notice
21:24
CISA Flags 2009 Excel Flaw CVE‑2009‑0238 as Actively ExploitedCISA · official notice

Wed 8 Apr2 articles

21:11
Russia-linked APT28 uses PRISMEX to infiltrate Ukraine and allied infrastructure with advanced tacticsSecurity Affairs
16:11
APT28 Deploys New PRISMEX Malware Against Ukraine and NATO AlliesThe Hacker News

Thu 26 Mar1 article

03:45
Pawn Storm Campaign Deploys PRISMEX, Targets Government and Critical Infrastructure Entitiestrendmicro.com

Mon 2 Mar1 article

11:39
MSHTML CVE-2026-21513 exploited by APT28; patch issuedThe Hacker News

Thu 12 Feb1 article

01:45
Excel Trap: New Phishing Campaign Deploys Fileless XWorm RATSecurityOnline

Wed 11 Feb4 articles

14:20
February 2026 Patch Tuesday: Six Active Zero-Days & 53 Other Flaws AddressedSOCRadar
12:40
February 2026 Patch Tuesday includes six actively exploited zero-daysMalwarebytes
08:25
U.S. CISA adds Microsoft Office and Microsoft Windows flaws to its Known Exploited Vulnerabilities catalogSecurity Affairs
04:35
Patch Panic: Microsoft Fixes 6 Active Zero-Days in Feb 2026 UpdateSecurityOnline

Tue 10 Feb4 articles

23:35
Microsoft Patch Tuesday security updates for February 2026 fix six actively exploited zero-daysSecurity Affairs
22:30
Patch Tuesday, February 2026 EditionKrebs on Security
21:55
Microsoft Patches 6 Actively Exploited Zero-DaysDark Reading
19:40
6 Actively Exploited Zero-Days Patched by Microsoft With February 2026 UpdatesSecurityWeek

Mon 9 Feb1 article

00:40
APT28 Weaponizes Office Flaw to Spy on NATO & MilitarySecurityOnline

Sun 8 Feb1 article

14:25
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 83Security Affairs

Wed 4 Feb1 article

23:35
Russian-state hackers exploit Office vulnerability to infect computersArs Technica

Tue 3 Feb6 articles

22:50
Russian Hackers Weaponize Microsoft Office Bug in Just 3 DaysDark Reading
12:45
APT28 exploits Microsoft Office flaw in Operation NeusploitSecurity Affairs
11:40
CVE-2026-21509: APT28 Actively Exploits Microsoft Office Vulnerability in UkraineSOCRadar
11:40
Russia’s APT28 Rapidly Weaponizes Newly Patched Office VulnerabilitySecurityWeek
10:00
APT28 Uses Microsoft Office CVE-2026-21509 in Espionage-Focused Malware AttacksThe Hacker News
03:15
Fancy Bear Returns: APT28 Exploits Office Flaw in “Operation Neusploit”SecurityOnline

Thu 29 Jan1 article

15:26
Microsoft Office zero-day lets malicious documents slip past security checksMalwarebytes

Tue 27 Jan5 articles

22:15
Microsoft Rushes Emergency Patch for Office Zero-DayDark Reading
15:40
U.S. CISA adds Microsoft Office, GNU InetUtils, SmarterTools SmarterMail, and Linux Kernel flaws to its Known Exploited Vulnerabilities catalogSecurity Affairs
09:05
Microsoft Patches Office Zero-Day Likely Exploited in Targeted AttacksSecurityWeek
09:05
Microsoft Office Zero-Day (CVE-2026-21509) - Emergency Patch Issued for Active ExploitationThe Hacker News
03:00
Under Attack: Microsoft Patches Office Zero-Day (CVE-2026-21509) Exploited in the WildSecurityOnline

Mon 26 Jan1 article

19:26
Emergency Microsoft update fixes in-the-wild Office zero-daySecurity Affairs · first report