Microsoft Internet Explorer ASLR Bypass Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-05-25
• EPSS: 34% chance of exploitation in the next 30 days (higher than 98% of CVEs)

[ Description ]Official description

Microsoft Internet Explorer 9 through 11 allows remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "Internet Explorer ASLR Bypass Vulnerability."

CISA: Microsoft Internet Explorer allows remote attackers to bypass the address space layout randomization (ASLR) protection mechanism via a crafted web site.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 15 Jun 2022): Apply updates per vendor instructions.

• Patch on docs.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• www.securityfocus.com/bid/72455Broken LinkThird Party AdvisoryVDB Entry
• www.securitytracker.com/id/1031723Broken LinkThird Party AdvisoryVDB Entry
• docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-009PatchVendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource