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4sysops
4sysops.com > archives > kb5002914-breaks-excel-copy-and-paste-admins-face-rollback-dilemma

KB5002914 breaks Excel copy and paste—admins face rollback dilemma – 4sysops

2+ day, 20+ hour ago   (21+ words) Excel administrators are reporting that Microsoft’s KB5002914 security update breaks copy-and-paste, autofill, formula dragging, and in some cases VBA macros. T...

4sysops
4sysops.com > archives > shieldcrash-follows-record-patch-tuesday-with-two-zero-days

ShieldCrash follows record Patch Tuesday with two zero-days – 4sysops

4+ day, 6+ hour ago   (19+ words) Microsoft’s record-breaking September 2026 Patch Tuesday has already been complicated by a new proof-of-concept: researcher Nightmare Eclipse released ShieldCra...

4sysops
4sysops.com > archives > microsoft-defender-shieldcrash-zero-day-bypasses-latest-shieldbreak-patch

Microsoft Defender ShieldCrash zero-day bypasses latest ShieldBreak patch – 4sysops

4+ day, 6+ hour ago   (25+ words) A new Microsoft Defender zero-day called ShieldCrash can reportedly read arbitrary files as SYSTEM on fully patched Windows 10, Windows 11, and Windows Server s...

4sysops
4sysops.com > archives > september-net-updates-patch-eight-cves-across-runtimes-and-net-framework

September.NET updates patch eight CVEs across runtimes and.NET Framework – 4sysops

4+ day, 6+ hour ago   (18+ words) Microsoft’s September 2026.NET servicing release updates supported.NET runtimes to 10.0.12, 9.0.20, and 8.0.31 while addressing eight security vulnerabilities....

4sysops
4sysops.com > archives > microsofts-september-patch-tuesday-heads-past-650-windows-fixes

Microsoft’s September Patch Tuesday heads past 650 Windows fixes – 4sysops

5+ day, 1+ hour ago   (26+ words) Microsoft is on track for another Patch Tuesday record, with more than 650 Windows security fixes expected in September—roughly six times the pre-2026 monthly n...

4sysops
4sysops.com > archives > critical-vmware-workstation-flaw-lets-vm-admins-break-out-to-the-host

Critical VMware Workstation flaw lets VM admins break out to the host – 4sysops

6+ day, 8+ hour ago   (23+ words) Broadcom has patched a critical VMware Workstation and Fusion vulnerability that can let an attacker with administrator privileges inside a virtual machine exec...

4sysops
4sysops.com > archives > papercut-zero-days-now-target-school-networks-for-credential-theft

PaperCut zero-days now target school networks for credential theft – 4sysops

1+ week, 1+ day ago   (27+ words) Attackers are using the PaperCut NG and MF flaws for credential theft against K-12 schools and universities in the U.S. and Europe. The activity expands on the...

4sysops
4sysops.com > archives > microsoft-investigates-two-new-teams-desktop-access-problems

Microsoft investigates two new Teams desktop access problems – 4sysops

1+ week, 2+ day ago   (25+ words) Microsoft is investigating two separate Microsoft Teams desktop problems: some Windows users cannot launch the client or face startup delays of up to two minute...

4sysops
4sysops.com > archives > microsoft-patch-apocalypse-enters-month-three

Microsoft Patch Apocalypse enters month three – 4sysops

1+ week, 2+ day ago   (21+ words) The Patch Apocalypse is entering its third month, but September’s most urgent item may be Microsoft Defender’s ShieldBreak vulnerability, CVE-2026-69414, which...

4sysops
4sysops.com > archives > an-infostealer-log-can-bypass-mfa-respond-within-the-first-hour

An infostealer log can bypass MFA—respond within the first hour – 4sysops

1+ week, 2+ day ago   (117+ words) A corporate password found in an infostealer log should be treated as a possible live identity compromise, not just an old credential leak. Security teams need...