ReDoS Vulnerabilities in Microsoft Products Announced
First seen 18 Feb 2026, 15:24 UTC
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Two vulnerabilities related to Regular Expression Denial of Service (ReDoS) have been reported. CVE-2020-28493, published on February 1, 2021, and CVE-2021-42836, published on October 22, 2021, both allow attackers to exploit regular expressions in software, potentially leading to denial of service. Affected products include those utilizing these specific CVEs.
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Timeline
2021-02-01
CVE-2020-28493 published
2021-10-22
CVE-2021-42836 published
2026-02-18
Information published about both CVEs