Microsoft Office LTSC 2021 for 64-bit editions

productUS

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

unpatched

by severity

2critical15high26medium2low

updated 2026-10-27

vulnerabilities (230)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2023-23397US	critical9.8OT critical	97.2% (100th)	KEV	https://aka.ms/OfficeSecurityReleases	2023-03-14	2 versions
CVE-2024-21413US	—OT critical	94.7% (100th)	KEV	https://aka.ms/OfficeSecurityReleases	2024-02-13	2 versions
CVE-2021-42292US	medium6.8OT critical	43.0% (99th)	KEV	https://aka.ms/OfficeSecurityReleases	2021-11-10	2 versions
CVE-2026-21514US	—OT critical	1.59% (75th)	KEV	https://aka.ms/OfficeSecurityReleases	2026-02-10	2 versions
CVE-2023-36761US	medium6.5OT critical	19.6% (97th)	KEV	https://aka.ms/OfficeSecurityReleases	2023-09-12	2 versions
CVE-2023-35311US	—OT critical	15.5% (97th)	KEV	https://aka.ms/OfficeSecurityReleases	2023-07-11	2 versions
CVE-2024-38189US	—OT critical	8.19% (95th)	KEV	https://aka.ms/OfficeSecurityReleases	2024-08-13	2 versions
CVE-2024-38226US	—OT critical	2.67% (86th)	KEV	https://aka.ms/OfficeSecurityReleases	2024-09-10	2 versions
CVE-2023-21716US	critical9.8	84.8% (100th)	Exploit	https://aka.ms/OfficeSecurityReleases	2023-02-14	2 versions
CVE-2024-38200US	—	21.7% (98th)	Exploit	https://aka.ms/OfficeSecurityReleases	2024-08-12	2 versions
CVE-2023-35636US	—	17.7% (97th)	Exploit	https://aka.ms/OfficeSecurityReleases	2023-12-12	2 versions
CVE-2024-21378US	—	11.0% (96th)	Exploit	https://aka.ms/OfficeSecurityReleases	2024-02-13	2 versions
CVE-2023-33131US	—	5.72% (93rd)	Exploit	https://aka.ms/OfficeSecurityReleases	2023-06-14	2 versions
CVE-2023-23399US	—	2.53% (85th)	Exploit	https://aka.ms/OfficeSecurityReleases	2023-03-14	2 versions
CVE-2025-27751US	—	2.48% (85th)	Exploit	https://aka.ms/OfficeSecurityReleases	2025-04-08	2 versions
CVE-2025-47175US	—	2.39% (84th)	Exploit	https://aka.ms/OfficeSecurityReleases	2025-06-10	2 versions
CVE-2025-47165US	—	2.19% (82nd)	Exploit	https://aka.ms/OfficeSecurityReleases	2025-06-10	2 versions
CVE-2023-33148US	—	2.06% (81st)	Exploit	https://aka.ms/OfficeSecurityReleases	2023-07-11	2 versions
CVE-2025-47171US	—	1.68% (77th)	Exploit	https://aka.ms/OfficeSecurityReleases	2025-06-10	2 versions
CVE-2025-47957US	—	1.31% (71st)	Exploit	https://aka.ms/OfficeSecurityReleases	2025-06-10	2 versions
CVE-2023-36041US	high7.8	56.7% (99th)	—	https://aka.ms/OfficeSecurityReleases	2023-11-14	2 versions
CVE-2023-32029US	—	53.5% (99th)	—	https://aka.ms/OfficeSecurityReleases	2023-06-14	2 versions
CVE-2023-33133US	—	44.0% (99th)	—	https://aka.ms/OfficeSecurityReleases	2023-06-14	2 versions
CVE-2023-36413US	medium6.5	30.0% (98th)	—	https://aka.ms/OfficeSecurityReleases	2023-11-14	2 versions
CVE-2022-35742US	—	22.3% (98th)	—	https://aka.ms/OfficeSecurityReleases	2023-06-01	2 versions
CVE-2024-43504US	—	6.50% (94th)	—	https://aka.ms/OfficeSecurityReleases	2024-10-08	2 versions
CVE-2021-41368US	medium6.8	4.95% (92nd)	—	https://aka.ms/OfficeSecurityReleases	2021-11-10	2 versions
CVE-2022-22716US	medium4.3	4.60% (92nd)	—	https://aka.ms/OfficeSecurityReleases	2022-02-09	2 versions
CVE-2026-21511US	—	3.97% (90th)	—	https://aka.ms/OfficeSecurityReleases	2026-02-10	2 versions
CVE-2024-38021US	—	3.50% (89th)	—	https://aka.ms/OfficeSecurityReleases	2024-07-09	2 versions
CVE-2024-30103US	—	3.42% (89th)	—	https://aka.ms/OfficeSecurityReleases	2024-06-11	2 versions
CVE-2023-33151US	—	3.40% (89th)	—	https://aka.ms/OfficeSecurityReleases	2023-07-11	2 versions
CVE-2025-47994US	high8.6	3.28% (88th)	—	https://aka.ms/OfficeSecurityReleases	2025-07-08	2 versions
CVE-2024-20677US	—	3.26% (88th)	—	https://aka.ms/OfficeSecurityReleases	2024-01-09	2 versions
CVE-2022-30174US	medium6.8	3.22% (88th)	—	https://aka.ms/OfficeSecurityReleases	2022-06-15	2 versions
CVE-2023-36767US	medium4.3	3.14% (88th)	—	https://aka.ms/OfficeSecurityReleases	2023-09-12	2 versions
CVE-2022-21840US	high8.8	3.10% (88th)	—	https://aka.ms/OfficeSecurityReleases	2022-01-11	2 versions
CVE-2022-29107US	medium5.5	3.06% (88th)	—	https://aka.ms/OfficeSecurityReleases	2022-05-10	2 versions
CVE-2022-24510US	medium6.8	2.96% (87th)	—	https://aka.ms/OfficeSecurityReleases	2022-03-09	2 versions
CVE-2022-24509US	medium6.8	2.96% (87th)	—	https://aka.ms/OfficeSecurityReleases	2022-03-09	2 versions
CVE-2022-24461US	medium6.8	2.96% (87th)	—	https://aka.ms/OfficeSecurityReleases	2022-03-09	2 versions
CVE-2022-21988US	medium6.8	2.94% (87th)	—	https://aka.ms/OfficeSecurityReleases	2022-02-09	2 versions
CVE-2022-29109US	medium6.8	2.81% (86th)	—	https://aka.ms/OfficeSecurityReleases	2022-05-10	2 versions
CVE-2022-21841US	high9.3	2.58% (85th)	—	https://aka.ms/OfficeSecurityReleases	2022-01-11	2 versions
CVE-2022-26901US	medium6.8	2.51% (85th)	—	https://aka.ms/OfficeSecurityReleases	2022-04-15	2 versions
CVE-2022-41106US	—	2.45% (84th)	—	https://aka.ms/OfficeSecurityReleases	2022-11-09	2 versions
CVE-2022-22003US	medium6.8	2.35% (84th)	—	https://aka.ms/OfficeSecurityReleases	2022-02-09	2 versions
CVE-2021-40442US	medium6.8	2.29% (83rd)	—	https://aka.ms/OfficeSecurityReleases	2021-11-10	2 versions
CVE-2023-36893US	—	2.19% (82nd)	—	https://aka.ms/OfficeSecurityReleases	2023-08-08	2 versions
CVE-2023-33150US	—	2.15% (82nd)	—	https://aka.ms/OfficeSecurityReleases	2023-07-11	2 versions

showing 50 of 230

weaknesses (8)

The flaw types (CWEs) most of these CVEs share.

CWE-416Use After Free67 CVEs
CWE-20Improper Input Validation54 CVEs
CWE-122Heap-based Buffer Overflow23 CVEs
CWE-125Out-of-bounds Read22 CVEs
CWE-200Exposure of Sensitive Information to an Unauthorized Actor16 CVEs
CWE-94Improper Control of Generation of Code ('Code Injection')10 CVEs
CWE-254CWE-2548 CVEs
CWE-787Out-of-bounds Write8 CVEs

sources (1)

Which sources assert this record, and when.

USMicrosoft MSRC (CSAF)230 CVEs

scry

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