CISA Adds One Known Exploited Vulnerability to Catalog

Original release date: July 1, 2022

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: to view the newly added vulnerabilities in the catalog, click on the arrow in the “Date Added to Catalog” column, which will sort by descending dates.

Note: CISA previously added and then removed today’s addition, CVE-2022-26925, to the KEV Catalog after determining that remediations associated with this vulnerability would break certificate authentication for many federal agencies. Details:

• CVE-2022-26925 was mitigated by Microsoft’s June 2022 Patch Tuesday update.
• The Microsoft update also includes remediations for CVE-2022-26923 and CVE-2022-26931, which change the way certificates are mapped to accounts in Active Directory. These changes break certificate authentication for many federal agencies.
• For this reason, CISA has also published a Knowledge Article that provides critical steps that must be followed to prevent service outages. Agencies should review this Knowledge Article carefully before beginning the mitigation process.

Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the Known Exploited Vulnerabilities Catalog as a living list of known CVEs that carry significant risk to the federal enterprise. BOD 22-01 requires FCEB agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. See the BOD 22-01 Fact Sheet for more information.    
  
Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all organizations to reduce their exposure to cyberattacks by prioritizing timely remediation of Catalog vulnerabilities as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the Catalog that meet the specified criteria.    

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