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Two high-impact security vulnerabilities in PHP cause disruptions to many online services.
- PHP2Shell is a pair of high-impact computer vulnerabilities (CVE-2026-109618 and CVE-2026-109619) concerning memory safety flaws in PHP versions 5.4–8.5 that allow remote code execution (RCE) by a potential malicious user to gain remote control of the website host. Their existence was publicly announced on 20 October 2026. An emergency patch for versions 8.2, 8.3, 8.4 and 8.5 and details about the vulnerabilities were released the following day, with numerous websites temporarily taken offline to apply the patches before exploits could be used.
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The Hôtel de Ville in Limoges is partially destroyed by arson amid fuel and student protests in France.
- Demonstrations and protests against poor school and economic conditions by lycée (high school) students have taken place in France since September 2026. In early October, the protests developed into a nationwide mobilisation involving students, teachers, parents, political organizations and trade unions, with an estimated 550,000–800,000 people participating nationwide. The demonstrations are part of a wider European unrest which includes protests in Belgium, Albania, Greece, Italy, Portugal, Spain, Austria, Ireland, Serbia and Germany.
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The International Bureau of Weights and Measures votes to effectively abolish the leap second over concerns about disruptions to computer systems.
- Leap seconds or intercalary seconds were one-second adjustments occasionally applied to Coordinated Universal Time (UTC) between 1972 and 2016, to accommodate the difference between International Atomic Time (TAI), as measured precisely by atomic clocks, and observed solar time (UT1), which varies due to irregularities and long-term slowdown in the Earth's rotation.
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A drone attack on a market in the disputed Abyei region on the South Sudan–Sudan border kills at least 220 people.
- On 19 October 2026, the Sudanese Armed Forces (SAF) were accused of launching a drone attack on the Amiet Common Market in Abyei, a disputed region between Sudan and South Sudan, killing more than 220 people and displacing over 8,000 others. The strike targeted a fuel depot that was reportedly used by the Rapid Support Forces (RSF), although other parts of the market were also struck, resulting in its complete destruction. A Sudanese official initially said that the strikes targeted fuel tankers that were supplying the RSF, claiming that the casualties were members of the militia and fuel smugglers. The SAF later denied involvement in the attack.
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Ethiopian offensive (ongoing)
- On 23 September 2026, the Ethiopian Peoples' Forces Coalition for Survival, a coalition of various Ethiopian rebel and insurgent groups, launched a large-scale military offensive against the Ethiopian National Defense Force (ENDF) in Tigray, Afar and Amhara. The Tigray People's Liberation Front (TPLF) described the offensive as a defensive war against the federal government of Ethiopia.
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Iran war (ongoing)
- Since 28 February 2026, the United States and Israel have been at war with Iran and its regional allies. The war follows the Twelve-Day War in June 2025 and sporadic fighting during the Middle Eastern crisis sparked by the Gaza war, which began in 2023. Amid ongoing US–Iran negotiations regarding Iran's nuclear program, the war began when the US and Israel conducted hundreds of air strikes on targets across Iran, including strikes that assassinated Supreme Leader Ali Khamenei alongside several other Iranian officials.
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Russo-Ukrainian war (ongoing)
- On 24 February 2022, Russia invaded Ukraine, starting the largest and deadliest war in Europe since World War II, in a major escalation of the existing war between the two countries that began when Russia attacked Ukraine in 2014. The fighting has caused hundreds of thousands of military casualties and tens of thousands of Ukrainian civilian casualties. Russian troops
occupy roughly 20% of Ukraine. From a population of 41 million, about 8 million Ukrainians have been internally displaced and 6–7 million have fled the country, creating Europe's largest refugee crisis since World War II.
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Yemen offensives (ongoing)
- On 3 September 2026, the Houthis launched an offensive against the Saudi-backed and UN recognized Presidential Leadership Council (PLC), the internationally recognized government of Yemen, amid the ongoing Yemeni civil war. Clashes began in Taiz Governorate, prompting a PLC counter-offensive against the Houthis in the Al-Jawf and Al-Bayda governorates.
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