This is the cbs evening news with scott pelley. Pelley this is our western edition. Tonight the Washington Post is reporting that President Trump revealed highly classified information to the Russian Foreign minister and the Russian Ambassador to the United States when the men met at the white house last week. The paper says that current and former u. S. Officials say that mr. Trump revealed details of an isis terror threat. Details that had been learned by a u. S. Ally. Mr. Trump has the authority to declass fie secrets but telling the russians about the information may have threatened to expose the allied countries intelligence operation. Mr. Trumps relentless criticism of Hillary Clintons handling of classified information may be the main reason hes president today. Justice correspondent jeff pegues is following this. Reporter the meeting in the oval office occurred last wednesday. President trump spoke with both the Russian Foreign minister Sergey Lavrov and Russian Ambassador kislyak. According to the Washington Post, the president went off script and began describing details use of Laptop Computers on aircraft. The information the president a former intelligence official tells cbs news something inappropriate was discussed. The information the president shared reportedly came from a u. S. Partner and was considered so sensitive that it had not been shared with allies. Hr mcmaster is the National Security advisor. The story that came out tonight as reported is false. The president and the foreign minister reviewed a range of common threats to our two countries including threats to civil aviation. At no time, at no time were intelligence sources or methods discussed. Reporter but the post reported the president discussed the classified information itself, and not how it was collected. During the campaign, candidate trump was critical of Hillary Clinton who the fbi said mishandled classified information on her private email server. In july, mr. Trump tweeted, crooked Hill Rae Clinton and her team were extremely careless in their handling of very sensitive, highly classified information. Not fit. One official tells cbs news the sensitive intelligence about the aviation threat concerns the makeup of a possible isis laptop bomb and new calculations of its explosive powers. Pelley jeff pegues with us, and for more to michael morerel a cbs news security contributor and former number two at the cia. How serious is this . How could it happen . Scott, i think this is highly damaging for two reasons. First the russians will undoubtedly try to figure out the source or the method of this information to make sure that it is not also collecting on their activities in syria. And in trying to do that they could well disrupt the source. Cthink the second damage is that third countries could provide the United States with intelligence information will now have pause to do so if the United States is russians without their permission. S highly damaging. How could it happen, scott . I think this is a president who does not stick to the script. Alen president s meet with gireign officials, they are given talking points. They are told, heres what to say on an issue. Heres what not to say. And the president doesnt seem to stick to the script. Pelley the National Security adviser today said that no methods or sources were compromised in what the president had to say. Does that make you feel any better . Not a lot better. Itrtainly it would have been more damaging had he done so. But not sharing that source or method does not make any better the problems that i outlined earlier. Pelley michael morell, former number two at the c. I. A. , thank you very much. Now, another story regarding the Trump Administration today has been whether the president is sacording private conversations at the white house. The president raised the issue in a tweet storm last week, and Major Garrett is following this. Reporter the white house will not confirm or deny President Trump tape records his conversations. Press Secretary Sean Spicer has only one thing to say. I made it clear what the president s position is on that issue. Reporter but the president has made nothing clear, leaving only this tweet warning now fired f. B. I. Director james comey that tapes might exist of their conversations. T that i cant talk about. I wont talk about that. Reporter spicer responded to poveral reporters questions this way today. I think the president made it clear what his position is. I understand that because thats what the president s position is. Reporter and friday . As i mentioned, the president has nothing further to add on that. As i said for the third time, there is nothing further to add on that. Ne reporter spicers stonewalling comes amid report of a west wing shakeup that could see him and Communications Director mike dubke replaced. One senior official told cbs news President Trump was President Trump was frustrated by his communication teams handling of the comey firing. Hes also upset about the slow pace of his agenda in congress. Also in jeopardy, chief of staff reince priebus, councilor kellyanne conway, chief corategist steve bannon, and White House Council don mcgahn. Amid this intrigue, the search continues for a new f. B. I. Director. The president has not decided whether he will personally literview the finalists, but scott said today the process is moving rapidly. Aite house officials expect an announcement before friday. Pelley Major Garrett at the white house. In another big story tonight, that cyber attack that infected computers in every corner of the world began to slow today. It turns out that a pair of engineers, one of them an american, figured out a way to stall the attack for just a few dollars. Charlie dagata begins our coverage. M reporter from chinas main oil company to a hospital in indonesia to japans nissan car e mpany, the Ransomware Attack ricocheted around the world again today as people went back to work. And today, asia bore the brunt of the attacks. Chinese University Students were even locked out from their term papers. Elsewhere, germanys railroads were hit, Frances Renault car factory had to close, businesses in australia, even mongolia were also hit. Europols Steven Wilson called the scale of the attack unprecedented. What we see just now indicates in excess of 130 countries are affected and beyond 200,000 individual victims. Reporter the ransomware idrks by freezing the computers encrypting the files with ezckers demanding 300 in ransom too decode them or theyd be d stroyed. Called wannacry, the Malware Program exploits a weakness in microsofts software, first nevealed in documents stolen from the u. S. National security agency. M might have been much worse if not for two young cybersecurity researchers. One goes by the name of malware tech. He noticed every time a virus took over a computer, it pinged back to an unregistered web site. So he registered the web site ter 10. His fellow computer sleuth was watching in michigan, darien huss. Through that registration of the domain, he activated the kill switch. Reporter huss said once an infected computer pinged the newly registered web site, it killed the malware, but he resisted being called a hero. Its kind of what i do on daytoday basis, so for me it was just another day at the office i guess. Reporter the head of europol said its investigators are working closely with f. B. I. To identify the culprit, scott, in c least two prominent Cyber Security firms, including one in the u. S. , say theyre looking into technical clues that north korea may be behind the attack. Pelley Charlie Dagata in our london newsroom. Charlie, thanks. So what does microsoft have to say . John blackstone picks up the story. Reporter at microsofts campus near seattle, Security Experts have known for months liout the Software Vulnerability that made this attack possible. In march, microsoft released a fix for users of Newer Versions of its operating system, but not a fix for the older versions. Avi rubin teaches Computer Science at Johns Hopkins university. Microsoft hasnt been supporting systems like windows xp. This attack took advantage of that. Ok microsoft issued an emergency patch this past weekend. Reporter the fix was too late to help those already attacked. In a blog post microsofts president brad smith acknowledged the company has the first responsibility to address these issues. But went on to point a finger at the National Security agency, which originally identified the Software Flaw then lost it when hackers broke into n. S. A. Computers. I think the n. S. A. Should i think the n. S. A. Should abobably err on the side of disclosure. Reporter in seattle, karl orscher, Computer Security researcher at the university of washington, works to defend against hackers and thinks the n. S. A. Could have done more to prevent this attack. They could possibly figure out when these vulnerabilities are going to be rediscovered or leaked, and alert the vendors before it gets out, but it doesnt seem like that happened in this case. Reporter microsoft says it has more than 3,500 security engineers working to keep its software safe, but as this incident shows, scott, among the hackers working to find a way in are americas own spy agencies. Pelley john blackstone, thanks. Well today the state Department Said it has evidence that syrias assad regime has carried out mass executions outside damascus. It released images that according to the u. S. Show a crematorium. Pusads forces have been pummeling the opposition in damascus and in the city of homs, but in a deal, it allowed hundreds of rebels to board buses out. Seth doane was there. Reporter for years they aiged war against the regime of syrian president bashar al assad, but tonight these thposition fighters and their families lined up to leave, defeated. Nearly 400 fighters, some with weapons still in hand, had boarded buses by sunset. Assad soldiers monitored the departure under the watchful eye of their russian allies, all part of the deal to relocate the opposition to northern syria. What are you thinking about right now as you get on the bus . The rebel fighters did not want to talk with us, but in a video they shot, this young man explained it feels like a stab ea the heart leaving homs, but god willing ill come back one day triumphant. Homs governor, hom talal al torazi, said the negotiations to get this far were difficult. Its a truce for the time being, he said, but he warns the government would fight them again in the future if he had to. Assads forces used several different tactics to take back territory from opposition fighters. One has been to destroy entire neighborhoods. And so the shelling continues on the outskirts of the capital damascus. Despite a similar relocation deal there, with thousands leaving. Assads forces have destroyed cities, killed and starved their enemies, and now, scott, these rebel evacuations are bringing assad closer to a symbolic victory, solidifying control over syrias big cities. Pelley seth doane inside syria for us tonight. Thanks. Next on the cbs evening news, a new missile test increases the threat from north korea, and later, the family of a Penn State Fraternity pledge calls his hazing death murder. Trintellix may help you take a step forward in improving your depression. Tell your healthcare professional right away if your depression worsens, or you have unusual changes in mood, behavior or thoughts of suicide. Antidepressants can increase these in children, teens and young adults. Do not take with maois. Tell your healthcare professional about your medications, including migraine, psychiatric and depression medications, to avoid a potentially lifethreatening condition. Increased risk of bleeding or bruising may occur, especially if taken with nsaid pain relievers, aspirin or blood thinners. Manic episodes or vision problems may occur in some people. May cause low sodium levels. The most common side effects were nausea, constipation and vomiting. 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Reporter its not the perfect weapon the North Koreans claimed, but the latest test represents a significant advance for kim jong un and his Nuclear Weapons program. After three failures, it was the First Successful test of an intermediaterange missile capable of reaching the island of guam where the u. S. Has a major bomber base. It flew for 30 minutes, longer than any previous north korean test. Most importantly, u. S. Officials say it appears to have been a rest of a reentry vehicle, a Key Technology north korea must master before it can develop an altercontinental Ballistic Missile capable of striking the aiited states mainland with a nuclear weapon. A test missile flew 1,200 miles into space. So as the reentry vehicle came back to earth, it encountered extreme heat and buffeting when it hit the atmosphere. The technological challenge is to withstand the heat and buffeting without becoming knocked off course. It landed 60 miles south of the russian port of vladivostock. 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Pelley two people were killed today when a learjet crashed while trying to land at a new Jersey Airport near new york city. The jet hit a building a half mile from the runway. No one on the ground was hurt. About two dozen eighth graders were hurt today in a bus crash that shut down busy i95 in northeastern maryland. Police say that a car hit the bus, which flipped over. The students from philadelphia were on their way to a trip in washington. E st were not seriously injured. The family of a penn state student who died after a night of hazing is opening up tonight. 18 Fraternity Members are charged, some with felonies. Heres jericka duncan. This was murder of our son. They treated him like a rag doll, and then they left him to die. Reporter timothy piazzas family wants the world to know how he was treated during his final hours inside the Beta Theta Pi fraternity house. They tortured him for 12 hours. They let him suffer. He