Until Microsoft patches this latest Flash related Internet Explorer vulnerability (that's ALL IE versions on ALL Microsoft operating systems), users are recommended to switch to another browser by the governments of USA, UK and Sweden.
Microsoft have confirmed that this security flaw is already being exploited and have advised a number of ways this exploit can be mitigated - one of which is disabling Flash. A specially crafted flash file on a web server can be used by a hacker to gain the same rights to change your computer that you have. That's very bad news if you run with administrator rights. Even with standard user rights, all of your files could be corrupted or deleted for example.
Windows XP users will never have this vulnerability patched
Microsoft provide regular software updates every month, with the next release scheduled for May 13th. They may issue a patch for this serious exploit before then.
Neil
Picture: Ants preparing for stormy weather. How good are your defences?
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All browsers have security problems which they patch in updates (and inevitably introduce new bugs with new features). Quite a few years back a comparison was done between Internet Explorer and Firefox over a year to see which had the least days with known unpatched security flaws. Firefox won that particular comparison soundly, but it too has had some shocking bugs at times, that have required rapid patching.
Version 28 of Firefox has been our for a few weeks now; who hasn't upgraded yet?
From the Firefox Menu.... Help --- About Firefox
Neil - a Firefox user from when it replaced Mozilla
Me too It was a fight over the BBC Micros (Not really, we had to book them) Also FORTRAN on them. I did, however do a ONC in electronics later and PASCAL programming.
I remember the Sinclair. Never had one though, but I wish I did. I learned Basic on an old teletype computer we had in high school. Knowing Basic helped me to learn Fortran on the old punch cards--wow, that was a long time ago. No one uses those languages anymore, of course. At work we all use Python and Java, and sometimes C.
Microsoft issued a fix for the Internet Explorer zero day security flaw today.
"[UPDATE] An emergency out-of-band update was released today for the bug in Internet Explorer being exploited in the wild. Windows XP was patched in spite of being past its service life."
Shows how seriously Microsoft consider this Internet Explorer bug to be.
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It was a fight over the BBC Micros 
Tiny...
If anyone has not seen this talk out of Ohio state - they should watch it. It is very good. “ The Treatment Landscape for CLL”. 
Latest COVID-19 guide for immunocompromised blood cancer patients from the International COVID-19 Blood Cancer Coalition (ICBCC)
