CVE-2026-55040

Radar advisories

• 2026-08-18 CISA CISA KEV — Microsoft Internet Key Exchange (IKE) Service (CVE-2026-33824) +3 more Four CVEs affecting Microsoft IKE, SharePoint, Broadcom VMware vCenter, and Apple macOS have been added to CISA’s KEV catalog.
• 2026-07-14 CISA CISA Urges SharePoint Hardening After New Exploitations Active exploitation of CVE-2026-32201, CVE-2026-45659, and CVE-2026-56164 is targeting on-premises SharePoint Server.

Named alongside

• CVE-2026-32201
• CVE-2026-33824
• CVE-2026-45659
• CVE-2026-56164
• CVE-2026-58644
• CVE-2026-59310
• CVE-2026-65400

References

• NVD ↗
• CVE.org ↗
• CISA KEV catalogue ↗ listed as known exploited