%0 Conference Article %T MODELING THE DEGRADATION OF INFORMATION SYSTEMS DUE TO PROLONGED ABSENCE OF SECURITY UPDATES %A Alekseev, V.R. %A Buchnev, S.O. %A Getmantsev, D.D. %K CVE, stochastic model, Markov chains, graph analysis, cascade effects, patch fatigue, birth-death, Monte Carlo, NIST NVD, vulnerability debt %J MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2026 %D 2026 %P 6 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov